212496320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 84

約数和(自身を含む): 523612872

約数和(自身を除く): 311116552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 691, 961, 992, 1240, 1382, 1922, 1984, 2480, 2764, 3455, 3844, 4805, 4960, 5528, 6910, 7688, 9610, 9920, 11056, 13820, 15376, 19220, 21421, 22112, 27640, 30752, 38440, 42842, 44224, 55280, 61504, 76880, 85684, 107105, 110560, 153760, 171368, 214210, 221120, 307520, 342736, 428420, 664051, 685472, 856840, 1328102, 1370944, 1713680, 2656204, 3320255, 3427360, 5312408, 6640510, 6854720, 10624816, 13281020, 21249632, 26562040, 42499264, 53124080, 106248160, 212496320]

約数ペア:

[(1, 212496320), (2, 106248160), (4, 53124080), (5, 42499264), (8, 26562040), (10, 21249632), (16, 13281020), (20, 10624816), (31, 6854720), (32, 6640510), (40, 5312408), (62, 3427360), (64, 3320255), (80, 2656204), (124, 1713680), (155, 1370944), (160, 1328102), (248, 856840), (310, 685472), (320, 664051), (496, 428420), (620, 342736), (691, 307520), (961, 221120), (992, 214210), (1240, 171368), (1382, 153760), (1922, 110560), (1984, 107105), (2480, 85684), (2764, 76880), (3455, 61504), (3844, 55280), (4805, 44224), (4960, 42842), (5528, 38440), (6910, 30752), (7688, 27640), (9610, 22112), (9920, 21421), (11056, 19220), (13820, 15376)]