128248120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3245

約数の個数: 128

約数和(自身を含む): 387555840

約数和(自身を除く): 259307720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3203, 3640, 4004, 5005, 5720, 6406, 8008, 10010, 12812, 16015, 20020, 22421, 25624, 32030, 35233, 40040, 41639, 44842, 64060, 70466, 83278, 89684, 112105, 128120, 140932, 166556, 176165, 179368, 208195, 224210, 246631, 281864, 291473, 333112, 352330, 416390, 448420, 458029, 493262, 582946, 704660, 832780, 896840, 916058, 986524, 1165892, 1233155, 1409320, 1457365, 1665560, 1832116, 1973048, 2290145, 2331784, 2466310, 2914730, 3206203, 3664232, 4580290, 4932620, 5829460, 6412406, 9160580, 9865240, 11658920, 12824812, 16031015, 18321160, 25649624, 32062030, 64124060, 128248120]

約数ペア:

[(1, 128248120), (2, 64124060), (4, 32062030), (5, 25649624), (7, 18321160), (8, 16031015), (10, 12824812), (11, 11658920), (13, 9865240), (14, 9160580), (20, 6412406), (22, 5829460), (26, 4932620), (28, 4580290), (35, 3664232), (40, 3206203), (44, 2914730), (52, 2466310), (55, 2331784), (56, 2290145), (65, 1973048), (70, 1832116), (77, 1665560), (88, 1457365), (91, 1409320), (104, 1233155), (110, 1165892), (130, 986524), (140, 916058), (143, 896840), (154, 832780), (182, 704660), (220, 582946), (260, 493262), (280, 458029), (286, 448420), (308, 416390), (364, 352330), (385, 333112), (440, 291473), (455, 281864), (520, 246631), (572, 224210), (616, 208195), (715, 179368), (728, 176165), (770, 166556), (910, 140932), (1001, 128120), (1144, 112105), (1430, 89684), (1540, 83278), (1820, 70466), (2002, 64060), (2860, 44842), (3080, 41639), (3203, 40040), (3640, 35233), (4004, 32030), (5005, 25624), (5720, 22421), (6406, 20020), (8008, 16015), (10010, 12812)]