128976570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 359976960

約数和(自身を除く): 231000390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 61, 82, 90, 122, 123, 135, 183, 191, 205, 246, 270, 305, 366, 369, 382, 410, 549, 573, 610, 615, 738, 915, 955, 1098, 1107, 1146, 1230, 1647, 1719, 1830, 1845, 1910, 2214, 2501, 2745, 2865, 3294, 3438, 3690, 5002, 5157, 5490, 5535, 5730, 7503, 7831, 8235, 8595, 10314, 11070, 11651, 12505, 15006, 15662, 16470, 17190, 22509, 23302, 23493, 25010, 25785, 34953, 37515, 39155, 45018, 46986, 51570, 58255, 67527, 69906, 70479, 75030, 78310, 104859, 112545, 116510, 117465, 135054, 140958, 174765, 209718, 211437, 225090, 234930, 314577, 337635, 349530, 352395, 422874, 477691, 524295, 629154, 675270, 704790, 955382, 1048590, 1057185, 1433073, 1572885, 2114370, 2388455, 2866146, 3145770, 4299219, 4776910, 7165365, 8598438, 12897657, 14330730, 21496095, 25795314, 42992190, 64488285, 128976570]

約数ペア:

[(1, 128976570), (2, 64488285), (3, 42992190), (5, 25795314), (6, 21496095), (9, 14330730), (10, 12897657), (15, 8598438), (18, 7165365), (27, 4776910), (30, 4299219), (41, 3145770), (45, 2866146), (54, 2388455), (61, 2114370), (82, 1572885), (90, 1433073), (122, 1057185), (123, 1048590), (135, 955382), (183, 704790), (191, 675270), (205, 629154), (246, 524295), (270, 477691), (305, 422874), (366, 352395), (369, 349530), (382, 337635), (410, 314577), (549, 234930), (573, 225090), (610, 211437), (615, 209718), (738, 174765), (915, 140958), (955, 135054), (1098, 117465), (1107, 116510), (1146, 112545), (1230, 104859), (1647, 78310), (1719, 75030), (1830, 70479), (1845, 69906), (1910, 67527), (2214, 58255), (2501, 51570), (2745, 46986), (2865, 45018), (3294, 39155), (3438, 37515), (3690, 34953), (5002, 25785), (5157, 25010), (5490, 23493), (5535, 23302), (5730, 22509), (7503, 17190), (7831, 16470), (8235, 15662), (8595, 15006), (10314, 12505), (11070, 11651)]