31404660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3251}}^1$

素因数の和:3293

約数の個数: 96

約数和(自身を含む): 104896512

約数和(自身を除く): 73491852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 3251, 4830, 6502, 9660, 9753, 13004, 16255, 19506, 22757, 32510, 39012, 45514, 48765, 65020, 68271, 74773, 91028, 97530, 113785, 136542, 149546, 195060, 224319, 227570, 273084, 299092, 341355, 373865, 448638, 455140, 523411, 682710, 747730, 897276, 1046822, 1121595, 1365420, 1495460, 1570233, 2093644, 2243190, 2617055, 3140466, 4486380, 5234110, 6280932, 7851165, 10468220, 15702330, 31404660]

約数ペア:

[(1, 31404660), (2, 15702330), (3, 10468220), (4, 7851165), (5, 6280932), (6, 5234110), (7, 4486380), (10, 3140466), (12, 2617055), (14, 2243190), (15, 2093644), (20, 1570233), (21, 1495460), (23, 1365420), (28, 1121595), (30, 1046822), (35, 897276), (42, 747730), (46, 682710), (60, 523411), (69, 455140), (70, 448638), (84, 373865), (92, 341355), (105, 299092), (115, 273084), (138, 227570), (140, 224319), (161, 195060), (210, 149546), (230, 136542), (276, 113785), (322, 97530), (345, 91028), (420, 74773), (460, 68271), (483, 65020), (644, 48765), (690, 45514), (805, 39012), (966, 32510), (1380, 22757), (1610, 19506), (1932, 16255), (2415, 13004), (3220, 9753), (3251, 9660), (4830, 6502)]