315211600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1109

約数の個数: 120

約数和(自身を含む): 838607040

約数和(自身を除く): 523395440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 71, 80, 88, 100, 110, 142, 176, 200, 220, 275, 284, 355, 400, 440, 550, 568, 710, 781, 880, 1009, 1100, 1136, 1420, 1562, 1775, 2018, 2200, 2840, 3124, 3550, 3905, 4036, 4400, 5045, 5680, 6248, 7100, 7810, 8072, 10090, 11099, 12496, 14200, 15620, 16144, 19525, 20180, 22198, 25225, 28400, 31240, 39050, 40360, 44396, 50450, 55495, 62480, 71639, 78100, 80720, 88792, 100900, 110990, 143278, 156200, 177584, 201800, 221980, 277475, 286556, 312400, 358195, 403600, 443960, 554950, 573112, 716390, 788029, 887920, 1109900, 1146224, 1432780, 1576058, 1790975, 2219800, 2865560, 3152116, 3581950, 3940145, 4439600, 5731120, 6304232, 7163900, 7880290, 12608464, 14327800, 15760580, 19700725, 28655600, 31521160, 39401450, 63042320, 78802900, 157605800, 315211600]

約数ペア:

[(1, 315211600), (2, 157605800), (4, 78802900), (5, 63042320), (8, 39401450), (10, 31521160), (11, 28655600), (16, 19700725), (20, 15760580), (22, 14327800), (25, 12608464), (40, 7880290), (44, 7163900), (50, 6304232), (55, 5731120), (71, 4439600), (80, 3940145), (88, 3581950), (100, 3152116), (110, 2865560), (142, 2219800), (176, 1790975), (200, 1576058), (220, 1432780), (275, 1146224), (284, 1109900), (355, 887920), (400, 788029), (440, 716390), (550, 573112), (568, 554950), (710, 443960), (781, 403600), (880, 358195), (1009, 312400), (1100, 286556), (1136, 277475), (1420, 221980), (1562, 201800), (1775, 177584), (2018, 156200), (2200, 143278), (2840, 110990), (3124, 100900), (3550, 88792), (3905, 80720), (4036, 78100), (4400, 71639), (5045, 62480), (5680, 55495), (6248, 50450), (7100, 44396), (7810, 40360), (8072, 39050), (10090, 31240), (11099, 28400), (12496, 25225), (14200, 22198), (15620, 20180), (16144, 19525)]