281321040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1171}}^1$

素因数の和:1218

約数の個数: 320

約数和(自身を含む): 1171924992

約数和(自身を除く): 890603952

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, 1171, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1820, 1848, 2002, 2145, 2184, 2288, 2310, 2342, 2640, 2730, 2860, 3003, 3080, 3120, 3432, 3513, 3640, 3696, 4004, 4290, 4368, 4620, 4684, 5005, 5460, 5720, 5855, 6006, 6160, 6864, 7026, 7280, 8008, 8197, 8580, 9240, 9368, 10010, 10920, 11440, 11710, 12012, 12881, 14052, 15015, 15223, 16016, 16394, 17160, 17565, 18480, 18736, 20020, 21840, 23420, 24024, 24591, 25762, 28104, 30030, 30446, 32788, 34320, 35130, 38643, 40040, 40985, 45669, 46840, 48048, 49182, 51524, 56208, 60060, 60892, 64405, 65576, 70260, 76115, 77286, 80080, 81970, 90167, 91338, 93680, 98364, 103048, 106561, 120120, 121784, 122955, 128810, 131152, 140520, 152230, 154572, 163940, 167453, 180334, 182676, 193215, 196728, 206096, 213122, 228345, 240240, 243568, 245910, 257620, 270501, 281040, 304460, 309144, 319683, 327880, 334906, 360668, 365352, 386430, 393456, 426244, 450835, 456690, 491820, 502359, 515240, 532805, 541002, 608920, 618288, 639366, 655760, 669812, 721336, 730704, 772860, 837265, 852488, 901670, 913380, 983640, 1004718, 1030480, 1065610, 1082004, 1172171, 1217840, 1278732, 1339624, 1352505, 1442672, 1545720, 1598415, 1674530, 1704976, 1803340, 1826760, 1967280, 2009436, 2131220, 2164008, 2344342, 2511795, 2557464, 2679248, 2705010, 3091440, 3196830, 3349060, 3516513, 3606680, 3653520, 4018872, 4262440, 4328016, 4688684, 5023590, 5114928, 5410020, 5860855, 6393660, 6698120, 7033026, 7213360, 8037744, 8524880, 9377368, 10047180, 10820040, 11721710, 12787320, 13396240, 14066052, 17582565, 18754736, 20094360, 21640080, 23443420, 25574640, 28132104, 35165130, 40188720, 46886840, 56264208, 70330260, 93773680, 140660520, 281321040]

約数ペア:

[(1, 281321040), (2, 140660520), (3, 93773680), (4, 70330260), (5, 56264208), (6, 46886840), (7, 40188720), (8, 35165130), (10, 28132104), (11, 25574640), (12, 23443420), (13, 21640080), (14, 20094360), (15, 18754736), (16, 17582565), (20, 14066052), (21, 13396240), (22, 12787320), (24, 11721710), (26, 10820040), (28, 10047180), (30, 9377368), (33, 8524880), (35, 8037744), (39, 7213360), (40, 7033026), (42, 6698120), (44, 6393660), (48, 5860855), (52, 5410020), (55, 5114928), (56, 5023590), (60, 4688684), (65, 4328016), (66, 4262440), (70, 4018872), (77, 3653520), (78, 3606680), (80, 3516513), (84, 3349060), (88, 3196830), (91, 3091440), (104, 2705010), (105, 2679248), (110, 2557464), (112, 2511795), (120, 2344342), (130, 2164008), (132, 2131220), (140, 2009436), (143, 1967280), (154, 1826760), (156, 1803340), (165, 1704976), (168, 1674530), (176, 1598415), (182, 1545720), (195, 1442672), (208, 1352505), (210, 1339624), (220, 1278732), (231, 1217840), (240, 1172171), (260, 1082004), (264, 1065610), (273, 1030480), (280, 1004718), (286, 983640), (308, 913380), (312, 901670), (330, 852488), (336, 837265), (364, 772860), (385, 730704), (390, 721336), (420, 669812), (429, 655760), (440, 639366), (455, 618288), (462, 608920), (520, 541002), (528, 532805), (546, 515240), (560, 502359), (572, 491820), (616, 456690), (624, 450835), (660, 426244), (715, 393456), (728, 386430), (770, 365352), (780, 360668), (840, 334906), (858, 327880), (880, 319683), (910, 309144), (924, 304460), (1001, 281040), (1040, 270501), (1092, 257620), (1144, 245910), (1155, 243568), (1171, 240240), (1232, 228345), (1320, 213122), (1365, 206096), (1430, 196728), (1456, 193215), (1540, 182676), (1560, 180334), (1680, 167453), (1716, 163940), (1820, 154572), (1848, 152230), (2002, 140520), (2145, 131152), (2184, 128810), (2288, 122955), (2310, 121784), (2342, 120120), (2640, 106561), (2730, 103048), (2860, 98364), (3003, 93680), (3080, 91338), (3120, 90167), (3432, 81970), (3513, 80080), (3640, 77286), (3696, 76115), (4004, 70260), (4290, 65576), (4368, 64405), (4620, 60892), (4684, 60060), (5005, 56208), (5460, 51524), (5720, 49182), (5855, 48048), (6006, 46840), (6160, 45669), (6864, 40985), (7026, 40040), (7280, 38643), (8008, 35130), (8197, 34320), (8580, 32788), (9240, 30446), (9368, 30030), (10010, 28104), (10920, 25762), (11440, 24591), (11710, 24024), (12012, 23420), (12881, 21840), (14052, 20020), (15015, 18736), (15223, 18480), (16016, 17565), (16394, 17160)]