661380720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2800

約数の個数: 320

約数和(自身を含む): 2753823744

約数和(自身を除く): 2092443024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 420, 429, 440, 455, 462, 520, 528, 546, 560, 572, 616, 624, 660, 715, 728, 770, 780, 840, 858, 880, 910, 924, 1001, 1040, 1092, 1144, 1155, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1820, 1848, 2002, 2145, 2184, 2288, 2310, 2640, 2730, 2753, 2860, 3003, 3080, 3120, 3432, 3640, 3696, 4004, 4290, 4368, 4620, 5005, 5460, 5506, 5720, 6006, 6160, 6864, 7280, 8008, 8259, 8580, 9240, 10010, 10920, 11012, 11440, 12012, 13765, 15015, 16016, 16518, 17160, 18480, 19271, 20020, 21840, 22024, 24024, 27530, 30030, 30283, 33036, 34320, 35789, 38542, 40040, 41295, 44048, 48048, 55060, 57813, 60060, 60566, 66072, 71578, 77084, 80080, 82590, 90849, 96355, 107367, 110120, 115626, 120120, 121132, 132144, 143156, 151415, 154168, 165180, 178945, 181698, 192710, 211981, 214734, 220240, 231252, 240240, 242264, 250523, 286312, 289065, 302830, 308336, 330360, 357890, 363396, 385420, 393679, 423962, 429468, 454245, 462504, 484528, 501046, 536835, 572624, 578130, 605660, 635943, 660720, 715780, 726792, 751569, 770840, 787358, 847924, 858936, 908490, 925008, 1002092, 1059905, 1073670, 1156260, 1181037, 1211320, 1252615, 1271886, 1431560, 1453584, 1503138, 1541680, 1574716, 1695848, 1717872, 1816980, 1968395, 2004184, 2119810, 2147340, 2312520, 2362074, 2422640, 2505230, 2543772, 2755753, 2863120, 3006276, 3149432, 3179715, 3391696, 3633960, 3757845, 3936790, 4008368, 4239620, 4294680, 4625040, 4724148, 5010460, 5087544, 5511506, 5905185, 6012552, 6298864, 6359430, 7267920, 7515690, 7873580, 8267259, 8479240, 8589360, 9448296, 10020920, 10175088, 11023012, 11810370, 12025104, 12718860, 13778765, 15031380, 15747160, 16534518, 16958480, 18896592, 20041840, 22046024, 23620740, 25437720, 27557530, 30062760, 31494320, 33069036, 41336295, 44092048, 47241480, 50875440, 55115060, 60125520, 66138072, 82672590, 94482960, 110230120, 132276144, 165345180, 220460240, 330690360, 661380720]

約数ペア:

[(1, 661380720), (2, 330690360), (3, 220460240), (4, 165345180), (5, 132276144), (6, 110230120), (7, 94482960), (8, 82672590), (10, 66138072), (11, 60125520), (12, 55115060), (13, 50875440), (14, 47241480), (15, 44092048), (16, 41336295), (20, 33069036), (21, 31494320), (22, 30062760), (24, 27557530), (26, 25437720), (28, 23620740), (30, 22046024), (33, 20041840), (35, 18896592), (39, 16958480), (40, 16534518), (42, 15747160), (44, 15031380), (48, 13778765), (52, 12718860), (55, 12025104), (56, 11810370), (60, 11023012), (65, 10175088), (66, 10020920), (70, 9448296), (77, 8589360), (78, 8479240), (80, 8267259), (84, 7873580), (88, 7515690), (91, 7267920), (104, 6359430), (105, 6298864), (110, 6012552), (112, 5905185), (120, 5511506), (130, 5087544), (132, 5010460), (140, 4724148), (143, 4625040), (154, 4294680), (156, 4239620), (165, 4008368), (168, 3936790), (176, 3757845), (182, 3633960), (195, 3391696), (208, 3179715), (210, 3149432), (220, 3006276), (231, 2863120), (240, 2755753), (260, 2543772), (264, 2505230), (273, 2422640), (280, 2362074), (286, 2312520), (308, 2147340), (312, 2119810), (330, 2004184), (336, 1968395), (364, 1816980), (385, 1717872), (390, 1695848), (420, 1574716), (429, 1541680), (440, 1503138), (455, 1453584), (462, 1431560), (520, 1271886), (528, 1252615), (546, 1211320), (560, 1181037), (572, 1156260), (616, 1073670), (624, 1059905), (660, 1002092), (715, 925008), (728, 908490), (770, 858936), (780, 847924), (840, 787358), (858, 770840), (880, 751569), (910, 726792), (924, 715780), (1001, 660720), (1040, 635943), (1092, 605660), (1144, 578130), (1155, 572624), (1232, 536835), (1320, 501046), (1365, 484528), (1430, 462504), (1456, 454245), (1540, 429468), (1560, 423962), (1680, 393679), (1716, 385420), (1820, 363396), (1848, 357890), (2002, 330360), (2145, 308336), (2184, 302830), (2288, 289065), (2310, 286312), (2640, 250523), (2730, 242264), (2753, 240240), (2860, 231252), (3003, 220240), (3080, 214734), (3120, 211981), (3432, 192710), (3640, 181698), (3696, 178945), (4004, 165180), (4290, 154168), (4368, 151415), (4620, 143156), (5005, 132144), (5460, 121132), (5506, 120120), (5720, 115626), (6006, 110120), (6160, 107367), (6864, 96355), (7280, 90849), (8008, 82590), (8259, 80080), (8580, 77084), (9240, 71578), (10010, 66072), (10920, 60566), (11012, 60060), (11440, 57813), (12012, 55060), (13765, 48048), (15015, 44048), (16016, 41295), (16518, 40040), (17160, 38542), (18480, 35789), (19271, 34320), (20020, 33036), (21840, 30283), (22024, 30030), (24024, 27530)]