72500480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4391

約数の個数: 72

約数和(自身を含む): 187062792

約数和(自身を除く): 114562312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4357, 8320, 8714, 16640, 17428, 21785, 34856, 43570, 56641, 69712, 87140, 113282, 139424, 174280, 226564, 278848, 283205, 348560, 453128, 557696, 566410, 697120, 906256, 1115392, 1132820, 1394240, 1812512, 2265640, 2788480, 3625024, 4531280, 5576960, 7250048, 9062560, 14500096, 18125120, 36250240, 72500480]

約数ペア:

[(1, 72500480), (2, 36250240), (4, 18125120), (5, 14500096), (8, 9062560), (10, 7250048), (13, 5576960), (16, 4531280), (20, 3625024), (26, 2788480), (32, 2265640), (40, 1812512), (52, 1394240), (64, 1132820), (65, 1115392), (80, 906256), (104, 697120), (128, 566410), (130, 557696), (160, 453128), (208, 348560), (256, 283205), (260, 278848), (320, 226564), (416, 174280), (520, 139424), (640, 113282), (832, 87140), (1040, 69712), (1280, 56641), (1664, 43570), (2080, 34856), (3328, 21785), (4160, 17428), (4357, 16640), (8320, 8714)]