79365520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 213595704

約数和(自身を除く): 134230184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 67, 68, 80, 85, 104, 130, 134, 136, 170, 208, 221, 260, 268, 272, 335, 340, 442, 520, 536, 670, 680, 871, 884, 1040, 1072, 1105, 1139, 1340, 1360, 1742, 1768, 2210, 2278, 2680, 3484, 3536, 4355, 4420, 4489, 4556, 5360, 5695, 6968, 8710, 8840, 8978, 9112, 11390, 13936, 14807, 17420, 17680, 17956, 18224, 22445, 22780, 29614, 34840, 35912, 44890, 45560, 58357, 59228, 69680, 71824, 74035, 76313, 89780, 91120, 116714, 118456, 148070, 152626, 179560, 233428, 236912, 291785, 296140, 305252, 359120, 381565, 466856, 583570, 592280, 610504, 763130, 933712, 992069, 1167140, 1184560, 1221008, 1526260, 1984138, 2334280, 3052520, 3968276, 4668560, 4960345, 6105040, 7936552, 9920690, 15873104, 19841380, 39682760, 79365520]

約数ペア:

[(1, 79365520), (2, 39682760), (4, 19841380), (5, 15873104), (8, 9920690), (10, 7936552), (13, 6105040), (16, 4960345), (17, 4668560), (20, 3968276), (26, 3052520), (34, 2334280), (40, 1984138), (52, 1526260), (65, 1221008), (67, 1184560), (68, 1167140), (80, 992069), (85, 933712), (104, 763130), (130, 610504), (134, 592280), (136, 583570), (170, 466856), (208, 381565), (221, 359120), (260, 305252), (268, 296140), (272, 291785), (335, 236912), (340, 233428), (442, 179560), (520, 152626), (536, 148070), (670, 118456), (680, 116714), (871, 91120), (884, 89780), (1040, 76313), (1072, 74035), (1105, 71824), (1139, 69680), (1340, 59228), (1360, 58357), (1742, 45560), (1768, 44890), (2210, 35912), (2278, 34840), (2680, 29614), (3484, 22780), (3536, 22445), (4355, 18224), (4420, 17956), (4489, 17680), (4556, 17420), (5360, 14807), (5695, 13936), (6968, 11390), (8710, 9112), (8840, 8978)]