77031760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4357}}^1$

素因数の和:4400

約数の個数: 80

約数和(自身を含む): 204268176

約数和(自身を除く): 127236416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4357, 4420, 8714, 8840, 17428, 17680, 21785, 34856, 43570, 56641, 69712, 74069, 87140, 113282, 148138, 174280, 226564, 283205, 296276, 348560, 370345, 453128, 566410, 592552, 740690, 906256, 962897, 1132820, 1185104, 1481380, 1925794, 2265640, 2962760, 3851588, 4531280, 4814485, 5925520, 7703176, 9628970, 15406352, 19257940, 38515880, 77031760]

約数ペア:

[(1, 77031760), (2, 38515880), (4, 19257940), (5, 15406352), (8, 9628970), (10, 7703176), (13, 5925520), (16, 4814485), (17, 4531280), (20, 3851588), (26, 2962760), (34, 2265640), (40, 1925794), (52, 1481380), (65, 1185104), (68, 1132820), (80, 962897), (85, 906256), (104, 740690), (130, 592552), (136, 566410), (170, 453128), (208, 370345), (221, 348560), (260, 296276), (272, 283205), (340, 226564), (442, 174280), (520, 148138), (680, 113282), (884, 87140), (1040, 74069), (1105, 69712), (1360, 56641), (1768, 43570), (2210, 34856), (3536, 21785), (4357, 17680), (4420, 17428), (8714, 8840)]