121958480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2447}}^1$

素因数の和:2556

約数の個数: 80

約数和(自身を含む): 327836160

約数和(自身を除く): 205877680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2447, 2492, 3115, 3560, 4894, 4984, 6230, 7120, 9788, 9968, 12235, 12460, 17129, 19576, 24470, 24920, 34258, 39152, 48940, 49840, 68516, 85645, 97880, 137032, 171290, 195760, 217783, 274064, 342580, 435566, 685160, 871132, 1088915, 1370320, 1524481, 1742264, 2177830, 3048962, 3484528, 4355660, 6097924, 7622405, 8711320, 12195848, 15244810, 17422640, 24391696, 30489620, 60979240, 121958480]

約数ペア:

[(1, 121958480), (2, 60979240), (4, 30489620), (5, 24391696), (7, 17422640), (8, 15244810), (10, 12195848), (14, 8711320), (16, 7622405), (20, 6097924), (28, 4355660), (35, 3484528), (40, 3048962), (56, 2177830), (70, 1742264), (80, 1524481), (89, 1370320), (112, 1088915), (140, 871132), (178, 685160), (280, 435566), (356, 342580), (445, 274064), (560, 217783), (623, 195760), (712, 171290), (890, 137032), (1246, 97880), (1424, 85645), (1780, 68516), (2447, 49840), (2492, 48940), (3115, 39152), (3560, 34258), (4894, 24920), (4984, 24470), (6230, 19576), (7120, 17129), (9788, 12460), (9968, 12235)]