20127469440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{806389}}^1$

素因数の和:806424

約数の個数: 128

約数和(自身を含む): 69091495200

約数和(自身を除く): 48964025760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 806389, 1612778, 2419167, 3225556, 4031945, 4838334, 6451112, 8063890, 9676668, 10483057, 12095835, 12902224, 16127780, 19353336, 20966114, 24191670, 25804448, 31449171, 32255560, 38706672, 41932228, 48383340, 51608896, 52415285, 62898342, 64511120, 77413344, 83864456, 96766680, 103217792, 104830570, 125796684, 129022240, 154826688, 157245855, 167728912, 193533360, 209661140, 251593368, 258044480, 309653376, 314491710, 335457824, 387066720, 419322280, 503186736, 516088960, 628983420, 670915648, 774133440, 838644560, 1006373472, 1257966840, 1341831296, 1548266880, 1677289120, 2012746944, 2515933680, 3354578240, 4025493888, 5031867360, 6709156480, 10063734720, 20127469440]

約数ペア:

[(1, 20127469440), (2, 10063734720), (3, 6709156480), (4, 5031867360), (5, 4025493888), (6, 3354578240), (8, 2515933680), (10, 2012746944), (12, 1677289120), (13, 1548266880), (15, 1341831296), (16, 1257966840), (20, 1006373472), (24, 838644560), (26, 774133440), (30, 670915648), (32, 628983420), (39, 516088960), (40, 503186736), (48, 419322280), (52, 387066720), (60, 335457824), (64, 314491710), (65, 309653376), (78, 258044480), (80, 251593368), (96, 209661140), (104, 193533360), (120, 167728912), (128, 157245855), (130, 154826688), (156, 129022240), (160, 125796684), (192, 104830570), (195, 103217792), (208, 96766680), (240, 83864456), (260, 77413344), (312, 64511120), (320, 62898342), (384, 52415285), (390, 51608896), (416, 48383340), (480, 41932228), (520, 38706672), (624, 32255560), (640, 31449171), (780, 25804448), (832, 24191670), (960, 20966114), (1040, 19353336), (1248, 16127780), (1560, 12902224), (1664, 12095835), (1920, 10483057), (2080, 9676668), (2496, 8063890), (3120, 6451112), (4160, 4838334), (4992, 4031945), (6240, 3225556), (8320, 2419167), (12480, 1612778), (24960, 806389)]