18884665280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{30467}}^1$

素因数の和:30646

約数の個数: 112

約数和(自身を含む): 48754893600

約数和(自身を除く): 29870228320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 149, 160, 208, 260, 298, 320, 416, 520, 596, 745, 832, 1040, 1192, 1490, 1937, 2080, 2384, 2980, 3874, 4160, 4768, 5960, 7748, 9536, 9685, 11920, 15496, 19370, 23840, 30467, 30992, 38740, 47680, 60934, 61984, 77480, 121868, 123968, 152335, 154960, 243736, 304670, 309920, 396071, 487472, 609340, 619840, 792142, 974944, 1218680, 1584284, 1949888, 1980355, 2437360, 3168568, 3960710, 4539583, 4874720, 6337136, 7921420, 9079166, 9749440, 12674272, 15842840, 18158332, 22697915, 25348544, 31685680, 36316664, 45395830, 59014579, 63371360, 72633328, 90791660, 118029158, 126742720, 145266656, 181583320, 236058316, 290533312, 295072895, 363166640, 472116632, 590145790, 726333280, 944233264, 1180291580, 1452666560, 1888466528, 2360583160, 3776933056, 4721166320, 9442332640, 18884665280]

約数ペア:

[(1, 18884665280), (2, 9442332640), (4, 4721166320), (5, 3776933056), (8, 2360583160), (10, 1888466528), (13, 1452666560), (16, 1180291580), (20, 944233264), (26, 726333280), (32, 590145790), (40, 472116632), (52, 363166640), (64, 295072895), (65, 290533312), (80, 236058316), (104, 181583320), (130, 145266656), (149, 126742720), (160, 118029158), (208, 90791660), (260, 72633328), (298, 63371360), (320, 59014579), (416, 45395830), (520, 36316664), (596, 31685680), (745, 25348544), (832, 22697915), (1040, 18158332), (1192, 15842840), (1490, 12674272), (1937, 9749440), (2080, 9079166), (2384, 7921420), (2980, 6337136), (3874, 4874720), (4160, 4539583), (4768, 3960710), (5960, 3168568), (7748, 2437360), (9536, 1980355), (9685, 1949888), (11920, 1584284), (15496, 1218680), (19370, 974944), (23840, 792142), (30467, 619840), (30992, 609340), (38740, 487472), (47680, 396071), (60934, 309920), (61984, 304670), (77480, 243736), (121868, 154960), (123968, 152335)]