281453312640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{16421}}^1$

素因数の和:16635

約数の個数: 256

約数和(自身を含む): 916584076800

約数和(自身を除く): 635130764160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 113, 120, 128, 158, 160, 192, 226, 237, 240, 316, 320, 339, 384, 395, 452, 474, 480, 565, 632, 640, 678, 790, 904, 948, 960, 1130, 1185, 1264, 1356, 1580, 1695, 1808, 1896, 1920, 2260, 2370, 2528, 2712, 3160, 3390, 3616, 3792, 4520, 4740, 5056, 5424, 6320, 6780, 7232, 7584, 8927, 9040, 9480, 10112, 10848, 12640, 13560, 14464, 15168, 16421, 17854, 18080, 18960, 21696, 25280, 26781, 27120, 30336, 32842, 35708, 36160, 37920, 43392, 44635, 49263, 50560, 53562, 54240, 65684, 71416, 72320, 75840, 82105, 89270, 98526, 107124, 108480, 131368, 133905, 142832, 151680, 164210, 178540, 197052, 214248, 216960, 246315, 262736, 267810, 285664, 328420, 357080, 394104, 428496, 492630, 525472, 535620, 571328, 656840, 714160, 788208, 856992, 985260, 1050944, 1071240, 1142656, 1297259, 1313680, 1428320, 1576416, 1713984, 1855573, 1970520, 2101888, 2142480, 2594518, 2627360, 2856640, 3152832, 3427968, 3711146, 3891777, 3941040, 4284960, 5189036, 5254720, 5566719, 5713280, 6305664, 6486295, 7422292, 7783554, 7882080, 8569920, 9277865, 10378072, 10509440, 11133438, 12972590, 14844584, 15567108, 15764160, 17139840, 18555730, 19458885, 20756144, 22266876, 25945180, 27833595, 29689168, 31134216, 31528320, 37111460, 38917770, 41512288, 44533752, 51890360, 55667190, 59378336, 62268432, 74222920, 77835540, 83024576, 89067504, 103780720, 111334380, 118756672, 124536864, 146590267, 148445840, 155671080, 166049152, 178135008, 207561440, 222668760, 237513344, 249073728, 293180534, 296891680, 311342160, 356270016, 415122880, 439770801, 445337520, 498147456, 586361068, 593783360, 622684320, 712540032, 732951335, 830245760, 879541602, 890675040, 1172722136, 1187566720, 1245368640, 1465902670, 1759083204, 1781350080, 2198854005, 2345444272, 2490737280, 2931805340, 3518166408, 3562700160, 4397708010, 4690888544, 5863610680, 7036332816, 8795416020, 9381777088, 11727221360, 14072665632, 17590832040, 18763554176, 23454442720, 28145331264, 35181664080, 46908885440, 56290662528, 70363328160, 93817770880, 140726656320, 281453312640]

約数ペア:

[(1, 281453312640), (2, 140726656320), (3, 93817770880), (4, 70363328160), (5, 56290662528), (6, 46908885440), (8, 35181664080), (10, 28145331264), (12, 23454442720), (15, 18763554176), (16, 17590832040), (20, 14072665632), (24, 11727221360), (30, 9381777088), (32, 8795416020), (40, 7036332816), (48, 5863610680), (60, 4690888544), (64, 4397708010), (79, 3562700160), (80, 3518166408), (96, 2931805340), (113, 2490737280), (120, 2345444272), (128, 2198854005), (158, 1781350080), (160, 1759083204), (192, 1465902670), (226, 1245368640), (237, 1187566720), (240, 1172722136), (316, 890675040), (320, 879541602), (339, 830245760), (384, 732951335), (395, 712540032), (452, 622684320), (474, 593783360), (480, 586361068), (565, 498147456), (632, 445337520), (640, 439770801), (678, 415122880), (790, 356270016), (904, 311342160), (948, 296891680), (960, 293180534), (1130, 249073728), (1185, 237513344), (1264, 222668760), (1356, 207561440), (1580, 178135008), (1695, 166049152), (1808, 155671080), (1896, 148445840), (1920, 146590267), (2260, 124536864), (2370, 118756672), (2528, 111334380), (2712, 103780720), (3160, 89067504), (3390, 83024576), (3616, 77835540), (3792, 74222920), (4520, 62268432), (4740, 59378336), (5056, 55667190), (5424, 51890360), (6320, 44533752), (6780, 41512288), (7232, 38917770), (7584, 37111460), (8927, 31528320), (9040, 31134216), (9480, 29689168), (10112, 27833595), (10848, 25945180), (12640, 22266876), (13560, 20756144), (14464, 19458885), (15168, 18555730), (16421, 17139840), (17854, 15764160), (18080, 15567108), (18960, 14844584), (21696, 12972590), (25280, 11133438), (26781, 10509440), (27120, 10378072), (30336, 9277865), (32842, 8569920), (35708, 7882080), (36160, 7783554), (37920, 7422292), (43392, 6486295), (44635, 6305664), (49263, 5713280), (50560, 5566719), (53562, 5254720), (54240, 5189036), (65684, 4284960), (71416, 3941040), (72320, 3891777), (75840, 3711146), (82105, 3427968), (89270, 3152832), (98526, 2856640), (107124, 2627360), (108480, 2594518), (131368, 2142480), (133905, 2101888), (142832, 1970520), (151680, 1855573), (164210, 1713984), (178540, 1576416), (197052, 1428320), (214248, 1313680), (216960, 1297259), (246315, 1142656), (262736, 1071240), (267810, 1050944), (285664, 985260), (328420, 856992), (357080, 788208), (394104, 714160), (428496, 656840), (492630, 571328), (525472, 535620)]