160920400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 404911584

約数和(自身を除く): 243991184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 83, 100, 131, 148, 166, 185, 200, 262, 296, 332, 370, 400, 415, 524, 592, 655, 664, 740, 830, 925, 1048, 1310, 1328, 1480, 1660, 1850, 2075, 2096, 2620, 2960, 3071, 3275, 3320, 3700, 4150, 4847, 5240, 6142, 6550, 6640, 7400, 8300, 9694, 10480, 10873, 12284, 13100, 14800, 15355, 16600, 19388, 21746, 24235, 24568, 26200, 30710, 33200, 38776, 43492, 48470, 49136, 52400, 54365, 61420, 76775, 77552, 86984, 96940, 108730, 121175, 122840, 153550, 173968, 193880, 217460, 242350, 245680, 271825, 307100, 387760, 402301, 434920, 484700, 543650, 614200, 804602, 869840, 969400, 1087300, 1228400, 1609204, 1938800, 2011505, 2174600, 3218408, 4023010, 4349200, 6436816, 8046020, 10057525, 16092040, 20115050, 32184080, 40230100, 80460200, 160920400]

約数ペア:

[(1, 160920400), (2, 80460200), (4, 40230100), (5, 32184080), (8, 20115050), (10, 16092040), (16, 10057525), (20, 8046020), (25, 6436816), (37, 4349200), (40, 4023010), (50, 3218408), (74, 2174600), (80, 2011505), (83, 1938800), (100, 1609204), (131, 1228400), (148, 1087300), (166, 969400), (185, 869840), (200, 804602), (262, 614200), (296, 543650), (332, 484700), (370, 434920), (400, 402301), (415, 387760), (524, 307100), (592, 271825), (655, 245680), (664, 242350), (740, 217460), (830, 193880), (925, 173968), (1048, 153550), (1310, 122840), (1328, 121175), (1480, 108730), (1660, 96940), (1850, 86984), (2075, 77552), (2096, 76775), (2620, 61420), (2960, 54365), (3071, 52400), (3275, 49136), (3320, 48470), (3700, 43492), (4150, 38776), (4847, 33200), (5240, 30710), (6142, 26200), (6550, 24568), (6640, 24235), (7400, 21746), (8300, 19388), (9694, 16600), (10480, 15355), (10873, 14800), (12284, 13100)]