128957940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12569}}^1$

素因数の和:12606

約数の個数: 96

約数和(自身を含む): 422352000

約数和(自身を除く): 293394060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 12569, 25138, 37707, 50276, 62845, 75414, 113121, 125690, 150828, 188535, 226242, 238811, 251380, 339363, 377070, 452484, 477622, 565605, 678726, 716433, 754140, 955244, 1131210, 1194055, 1357452, 1432866, 1696815, 2149299, 2262420, 2388110, 2865732, 3393630, 3582165, 4298598, 4776220, 6447897, 6787260, 7164330, 8597196, 10746495, 12895794, 14328660, 21492990, 25791588, 32239485, 42985980, 64478970, 128957940]

約数ペア:

[(1, 128957940), (2, 64478970), (3, 42985980), (4, 32239485), (5, 25791588), (6, 21492990), (9, 14328660), (10, 12895794), (12, 10746495), (15, 8597196), (18, 7164330), (19, 6787260), (20, 6447897), (27, 4776220), (30, 4298598), (36, 3582165), (38, 3393630), (45, 2865732), (54, 2388110), (57, 2262420), (60, 2149299), (76, 1696815), (90, 1432866), (95, 1357452), (108, 1194055), (114, 1131210), (135, 955244), (171, 754140), (180, 716433), (190, 678726), (228, 565605), (270, 477622), (285, 452484), (342, 377070), (380, 339363), (513, 251380), (540, 238811), (570, 226242), (684, 188535), (855, 150828), (1026, 125690), (1140, 113121), (1710, 75414), (2052, 62845), (2565, 50276), (3420, 37707), (5130, 25138), (10260, 12569)]