217505640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3187

約数の個数: 128

約数和(自身を含む): 725500800

約数和(自身を除く): 507995160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 53, 55, 60, 66, 88, 106, 110, 120, 132, 159, 165, 212, 220, 264, 265, 318, 330, 424, 440, 530, 583, 636, 660, 795, 1060, 1166, 1272, 1320, 1590, 1749, 2120, 2332, 2915, 3109, 3180, 3498, 4664, 5830, 6218, 6360, 6996, 8745, 9327, 11660, 12436, 13992, 15545, 17490, 18654, 23320, 24872, 31090, 34199, 34980, 37308, 46635, 62180, 68398, 69960, 74616, 93270, 102597, 124360, 136796, 164777, 170995, 186540, 205194, 273592, 329554, 341990, 373080, 410388, 494331, 512985, 659108, 683980, 820776, 823885, 988662, 1025970, 1318216, 1367960, 1647770, 1812547, 1977324, 2051940, 2471655, 3295540, 3625094, 3954648, 4103880, 4943310, 5437641, 6591080, 7250188, 9062735, 9886620, 10875282, 14500376, 18125470, 19773240, 21750564, 27188205, 36250940, 43501128, 54376410, 72501880, 108752820, 217505640]

約数ペア:

[(1, 217505640), (2, 108752820), (3, 72501880), (4, 54376410), (5, 43501128), (6, 36250940), (8, 27188205), (10, 21750564), (11, 19773240), (12, 18125470), (15, 14500376), (20, 10875282), (22, 9886620), (24, 9062735), (30, 7250188), (33, 6591080), (40, 5437641), (44, 4943310), (53, 4103880), (55, 3954648), (60, 3625094), (66, 3295540), (88, 2471655), (106, 2051940), (110, 1977324), (120, 1812547), (132, 1647770), (159, 1367960), (165, 1318216), (212, 1025970), (220, 988662), (264, 823885), (265, 820776), (318, 683980), (330, 659108), (424, 512985), (440, 494331), (530, 410388), (583, 373080), (636, 341990), (660, 329554), (795, 273592), (1060, 205194), (1166, 186540), (1272, 170995), (1320, 164777), (1590, 136796), (1749, 124360), (2120, 102597), (2332, 93270), (2915, 74616), (3109, 69960), (3180, 68398), (3498, 62180), (4664, 46635), (5830, 37308), (6218, 34980), (6360, 34199), (6996, 31090), (8745, 24872), (9327, 23320), (11660, 18654), (12436, 17490), (13992, 15545)]