15881760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 55724760

約数和(自身を除く): 39843000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 269, 288, 328, 360, 369, 410, 480, 492, 538, 615, 656, 720, 738, 807, 820, 984, 1076, 1230, 1312, 1345, 1440, 1476, 1614, 1640, 1845, 1968, 2152, 2421, 2460, 2690, 2952, 3228, 3280, 3690, 3936, 4035, 4304, 4842, 4920, 5380, 5904, 6456, 6560, 7380, 8070, 8608, 9684, 9840, 10760, 11029, 11808, 12105, 12912, 14760, 16140, 19368, 19680, 21520, 22058, 24210, 25824, 29520, 32280, 33087, 38736, 43040, 44116, 48420, 55145, 59040, 64560, 66174, 77472, 88232, 96840, 99261, 110290, 129120, 132348, 165435, 176464, 193680, 198522, 220580, 264696, 330870, 352928, 387360, 397044, 441160, 496305, 529392, 661740, 794088, 882320, 992610, 1058784, 1323480, 1588176, 1764640, 1985220, 2646960, 3176352, 3970440, 5293920, 7940880, 15881760]

約数ペア:

[(1, 15881760), (2, 7940880), (3, 5293920), (4, 3970440), (5, 3176352), (6, 2646960), (8, 1985220), (9, 1764640), (10, 1588176), (12, 1323480), (15, 1058784), (16, 992610), (18, 882320), (20, 794088), (24, 661740), (30, 529392), (32, 496305), (36, 441160), (40, 397044), (41, 387360), (45, 352928), (48, 330870), (60, 264696), (72, 220580), (80, 198522), (82, 193680), (90, 176464), (96, 165435), (120, 132348), (123, 129120), (144, 110290), (160, 99261), (164, 96840), (180, 88232), (205, 77472), (240, 66174), (246, 64560), (269, 59040), (288, 55145), (328, 48420), (360, 44116), (369, 43040), (410, 38736), (480, 33087), (492, 32280), (538, 29520), (615, 25824), (656, 24210), (720, 22058), (738, 21520), (807, 19680), (820, 19368), (984, 16140), (1076, 14760), (1230, 12912), (1312, 12105), (1345, 11808), (1440, 11029), (1476, 10760), (1614, 9840), (1640, 9684), (1845, 8608), (1968, 8070), (2152, 7380), (2421, 6560), (2460, 6456), (2690, 5904), (2952, 5380), (3228, 4920), (3280, 4842), (3690, 4304), (3936, 4035)]