2161146320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{1487}}^1$

素因数の和:2028

約数の個数: 80

約数和(自身を含む): 5174454528

約数和(自身を除く): 3013308208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 491, 592, 740, 982, 1480, 1487, 1964, 2455, 2960, 2974, 3928, 4910, 5948, 7435, 7856, 9820, 11896, 14870, 18167, 19640, 23792, 29740, 36334, 39280, 55019, 59480, 72668, 90835, 110038, 118960, 145336, 181670, 220076, 275095, 290672, 363340, 440152, 550190, 726680, 730117, 880304, 1100380, 1453360, 1460234, 2200760, 2920468, 3650585, 4401520, 5840936, 7301170, 11681872, 14602340, 27014329, 29204680, 54028658, 58409360, 108057316, 135071645, 216114632, 270143290, 432229264, 540286580, 1080573160, 2161146320]

約数ペア:

[(1, 2161146320), (2, 1080573160), (4, 540286580), (5, 432229264), (8, 270143290), (10, 216114632), (16, 135071645), (20, 108057316), (37, 58409360), (40, 54028658), (74, 29204680), (80, 27014329), (148, 14602340), (185, 11681872), (296, 7301170), (370, 5840936), (491, 4401520), (592, 3650585), (740, 2920468), (982, 2200760), (1480, 1460234), (1487, 1453360), (1964, 1100380), (2455, 880304), (2960, 730117), (2974, 726680), (3928, 550190), (4910, 440152), (5948, 363340), (7435, 290672), (7856, 275095), (9820, 220076), (11896, 181670), (14870, 145336), (18167, 118960), (19640, 110038), (23792, 90835), (29740, 72668), (36334, 59480), (39280, 55019)]