28874040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 94832640

約数和(自身を除く): 65958600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 223, 249, 260, 312, 332, 390, 415, 446, 498, 520, 664, 669, 780, 830, 892, 996, 1079, 1115, 1245, 1338, 1560, 1660, 1784, 1992, 2158, 2230, 2490, 2676, 2899, 3237, 3320, 3345, 4316, 4460, 4980, 5352, 5395, 5798, 6474, 6690, 8632, 8697, 8920, 9960, 10790, 11596, 12948, 13380, 14495, 16185, 17394, 18509, 21580, 23192, 25896, 26760, 28990, 32370, 34788, 37018, 43160, 43485, 55527, 57980, 64740, 69576, 74036, 86970, 92545, 111054, 115960, 129480, 148072, 173940, 185090, 222108, 240617, 277635, 347880, 370180, 444216, 481234, 555270, 721851, 740360, 962468, 1110540, 1203085, 1443702, 1924936, 2221080, 2406170, 2887404, 3609255, 4812340, 5774808, 7218510, 9624680, 14437020, 28874040]

約数ペア:

[(1, 28874040), (2, 14437020), (3, 9624680), (4, 7218510), (5, 5774808), (6, 4812340), (8, 3609255), (10, 2887404), (12, 2406170), (13, 2221080), (15, 1924936), (20, 1443702), (24, 1203085), (26, 1110540), (30, 962468), (39, 740360), (40, 721851), (52, 555270), (60, 481234), (65, 444216), (78, 370180), (83, 347880), (104, 277635), (120, 240617), (130, 222108), (156, 185090), (166, 173940), (195, 148072), (223, 129480), (249, 115960), (260, 111054), (312, 92545), (332, 86970), (390, 74036), (415, 69576), (446, 64740), (498, 57980), (520, 55527), (664, 43485), (669, 43160), (780, 37018), (830, 34788), (892, 32370), (996, 28990), (1079, 26760), (1115, 25896), (1245, 23192), (1338, 21580), (1560, 18509), (1660, 17394), (1784, 16185), (1992, 14495), (2158, 13380), (2230, 12948), (2490, 11596), (2676, 10790), (2899, 9960), (3237, 8920), (3320, 8697), (3345, 8632), (4316, 6690), (4460, 6474), (4980, 5798), (5352, 5395)]