1319756800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1724

約数の個数: 132

約数和(自身を含む): 3378958336

約数和(自身を除く): 2059201536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 992, 1024, 1240, 1280, 1550, 1600, 1663, 1984, 2480, 2560, 3100, 3200, 3326, 3968, 4960, 5120, 6200, 6400, 6652, 7936, 8315, 9920, 12400, 12800, 13304, 15872, 16630, 19840, 24800, 25600, 26608, 31744, 33260, 39680, 41575, 49600, 51553, 53216, 66520, 79360, 83150, 99200, 103106, 106432, 133040, 158720, 166300, 198400, 206212, 212864, 257765, 266080, 332600, 396800, 412424, 425728, 515530, 532160, 665200, 793600, 824848, 851456, 1031060, 1064320, 1288825, 1330400, 1649696, 1702912, 2062120, 2128640, 2577650, 2660800, 3299392, 4124240, 4257280, 5155300, 5321600, 6598784, 8248480, 8514560, 10310600, 10643200, 13197568, 16496960, 20621200, 21286400, 26395136, 32993920, 41242400, 42572800, 52790272, 65987840, 82484800, 131975680, 164969600, 263951360, 329939200, 659878400, 1319756800]

約数ペア:

[(1, 1319756800), (2, 659878400), (4, 329939200), (5, 263951360), (8, 164969600), (10, 131975680), (16, 82484800), (20, 65987840), (25, 52790272), (31, 42572800), (32, 41242400), (40, 32993920), (50, 26395136), (62, 21286400), (64, 20621200), (80, 16496960), (100, 13197568), (124, 10643200), (128, 10310600), (155, 8514560), (160, 8248480), (200, 6598784), (248, 5321600), (256, 5155300), (310, 4257280), (320, 4124240), (400, 3299392), (496, 2660800), (512, 2577650), (620, 2128640), (640, 2062120), (775, 1702912), (800, 1649696), (992, 1330400), (1024, 1288825), (1240, 1064320), (1280, 1031060), (1550, 851456), (1600, 824848), (1663, 793600), (1984, 665200), (2480, 532160), (2560, 515530), (3100, 425728), (3200, 412424), (3326, 396800), (3968, 332600), (4960, 266080), (5120, 257765), (6200, 212864), (6400, 206212), (6652, 198400), (7936, 166300), (8315, 158720), (9920, 133040), (12400, 106432), (12800, 103106), (13304, 99200), (15872, 83150), (16630, 79360), (19840, 66520), (24800, 53216), (25600, 51553), (26608, 49600), (31744, 41575), (33260, 39680)]