28395640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 81648000

約数和(自身を除く): 53252360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 269, 280, 290, 364, 377, 406, 455, 520, 538, 580, 728, 754, 812, 910, 1015, 1076, 1160, 1345, 1508, 1624, 1820, 1883, 1885, 2030, 2152, 2639, 2690, 3016, 3497, 3640, 3766, 3770, 4060, 5278, 5380, 6994, 7532, 7540, 7801, 8120, 9415, 10556, 10760, 13195, 13988, 15064, 15080, 15602, 17485, 18830, 21112, 24479, 26390, 27976, 31204, 34970, 37660, 39005, 48958, 52780, 54607, 62408, 69940, 75320, 78010, 97916, 101413, 105560, 109214, 122395, 139880, 156020, 195832, 202826, 218428, 244790, 273035, 312040, 405652, 436856, 489580, 507065, 546070, 709891, 811304, 979160, 1014130, 1092140, 1419782, 2028260, 2184280, 2839564, 3549455, 4056520, 5679128, 7098910, 14197820, 28395640]

約数ペア:

[(1, 28395640), (2, 14197820), (4, 7098910), (5, 5679128), (7, 4056520), (8, 3549455), (10, 2839564), (13, 2184280), (14, 2028260), (20, 1419782), (26, 1092140), (28, 1014130), (29, 979160), (35, 811304), (40, 709891), (52, 546070), (56, 507065), (58, 489580), (65, 436856), (70, 405652), (91, 312040), (104, 273035), (116, 244790), (130, 218428), (140, 202826), (145, 195832), (182, 156020), (203, 139880), (232, 122395), (260, 109214), (269, 105560), (280, 101413), (290, 97916), (364, 78010), (377, 75320), (406, 69940), (455, 62408), (520, 54607), (538, 52780), (580, 48958), (728, 39005), (754, 37660), (812, 34970), (910, 31204), (1015, 27976), (1076, 26390), (1160, 24479), (1345, 21112), (1508, 18830), (1624, 17485), (1820, 15602), (1883, 15080), (1885, 15064), (2030, 13988), (2152, 13195), (2639, 10760), (2690, 10556), (3016, 9415), (3497, 8120), (3640, 7801), (3766, 7540), (3770, 7532), (4060, 6994), (5278, 5380)]