256377720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5099}}^1$

素因数の和:5532

約数の個数: 64

約数和(自身を含む): 771120000

約数和(自身を除く): 514742280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 419, 838, 1257, 1676, 2095, 2514, 3352, 4190, 5028, 5099, 6285, 8380, 10056, 10198, 12570, 15297, 16760, 20396, 25140, 25495, 30594, 40792, 50280, 50990, 61188, 76485, 101980, 122376, 152970, 203960, 305940, 611880, 2136481, 4272962, 6409443, 8545924, 10682405, 12818886, 17091848, 21364810, 25637772, 32047215, 42729620, 51275544, 64094430, 85459240, 128188860, 256377720]

約数ペア:

[(1, 256377720), (2, 128188860), (3, 85459240), (4, 64094430), (5, 51275544), (6, 42729620), (8, 32047215), (10, 25637772), (12, 21364810), (15, 17091848), (20, 12818886), (24, 10682405), (30, 8545924), (40, 6409443), (60, 4272962), (120, 2136481), (419, 611880), (838, 305940), (1257, 203960), (1676, 152970), (2095, 122376), (2514, 101980), (3352, 76485), (4190, 61188), (5028, 50990), (5099, 50280), (6285, 40792), (8380, 30594), (10056, 25495), (10198, 25140), (12570, 20396), (15297, 16760)]