127987600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 335381312

約数和(自身を除く): 207393712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 151, 163, 200, 208, 260, 302, 325, 326, 400, 520, 604, 650, 652, 755, 815, 1040, 1208, 1300, 1304, 1510, 1630, 1963, 2119, 2416, 2600, 2608, 3020, 3260, 3775, 3926, 4075, 4238, 5200, 6040, 6520, 7550, 7852, 8150, 8476, 9815, 10595, 12080, 13040, 15100, 15704, 16300, 16952, 19630, 21190, 24613, 30200, 31408, 32600, 33904, 39260, 42380, 49075, 49226, 52975, 60400, 65200, 78520, 84760, 98150, 98452, 105950, 123065, 157040, 169520, 196300, 196904, 211900, 246130, 319969, 392600, 393808, 423800, 492260, 615325, 639938, 785200, 847600, 984520, 1230650, 1279876, 1599845, 1969040, 2461300, 2559752, 3199690, 4922600, 5119504, 6399380, 7999225, 9845200, 12798760, 15998450, 25597520, 31996900, 63993800, 127987600]

約数ペア:

[(1, 127987600), (2, 63993800), (4, 31996900), (5, 25597520), (8, 15998450), (10, 12798760), (13, 9845200), (16, 7999225), (20, 6399380), (25, 5119504), (26, 4922600), (40, 3199690), (50, 2559752), (52, 2461300), (65, 1969040), (80, 1599845), (100, 1279876), (104, 1230650), (130, 984520), (151, 847600), (163, 785200), (200, 639938), (208, 615325), (260, 492260), (302, 423800), (325, 393808), (326, 392600), (400, 319969), (520, 246130), (604, 211900), (650, 196904), (652, 196300), (755, 169520), (815, 157040), (1040, 123065), (1208, 105950), (1300, 98452), (1304, 98150), (1510, 84760), (1630, 78520), (1963, 65200), (2119, 60400), (2416, 52975), (2600, 49226), (2608, 49075), (3020, 42380), (3260, 39260), (3775, 33904), (3926, 32600), (4075, 31408), (4238, 30200), (5200, 24613), (6040, 21190), (6520, 19630), (7550, 16952), (7852, 16300), (8150, 15704), (8476, 15100), (9815, 13040), (10595, 12080)]