1261629840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309223}}^1$

素因数の和:309256

約数の個数: 80

約数和(自身を含む): 4141127808

約数和(自身を除く): 2879497968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 309223, 618446, 927669, 1236892, 1546115, 1855338, 2473784, 3092230, 3710676, 4638345, 4947568, 5256791, 6184460, 7421352, 9276690, 10513582, 12368920, 14842704, 15770373, 18553380, 21027164, 24737840, 26283955, 31540746, 37106760, 42054328, 52567910, 63081492, 74213520, 78851865, 84108656, 105135820, 126162984, 157703730, 210271640, 252325968, 315407460, 420543280, 630814920, 1261629840]

約数ペア:

[(1, 1261629840), (2, 630814920), (3, 420543280), (4, 315407460), (5, 252325968), (6, 210271640), (8, 157703730), (10, 126162984), (12, 105135820), (15, 84108656), (16, 78851865), (17, 74213520), (20, 63081492), (24, 52567910), (30, 42054328), (34, 37106760), (40, 31540746), (48, 26283955), (51, 24737840), (60, 21027164), (68, 18553380), (80, 15770373), (85, 14842704), (102, 12368920), (120, 10513582), (136, 9276690), (170, 7421352), (204, 6184460), (240, 5256791), (255, 4947568), (272, 4638345), (340, 3710676), (408, 3092230), (510, 2473784), (680, 1855338), (816, 1546115), (1020, 1236892), (1360, 927669), (2040, 618446), (4080, 309223)]