291299640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127763}}^1$

素因数の和:127796

約数の個数: 64

約数和(自身を含む): 919900800

約数和(自身を除く): 628601160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 127763, 255526, 383289, 511052, 638815, 766578, 1022104, 1277630, 1533156, 1916445, 2427497, 2555260, 3066312, 3832890, 4854994, 5110520, 7282491, 7665780, 9709988, 12137485, 14564982, 15331560, 19419976, 24274970, 29129964, 36412455, 48549940, 58259928, 72824910, 97099880, 145649820, 291299640]

約数ペア:

[(1, 291299640), (2, 145649820), (3, 97099880), (4, 72824910), (5, 58259928), (6, 48549940), (8, 36412455), (10, 29129964), (12, 24274970), (15, 19419976), (19, 15331560), (20, 14564982), (24, 12137485), (30, 9709988), (38, 7665780), (40, 7282491), (57, 5110520), (60, 4854994), (76, 3832890), (95, 3066312), (114, 2555260), (120, 2427497), (152, 1916445), (190, 1533156), (228, 1277630), (285, 1022104), (380, 766578), (456, 638815), (570, 511052), (760, 383289), (1140, 255526), (2280, 127763)]