80572720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 197344512

約数和(自身を除く): 116771792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 613, 620, 848, 1060, 1226, 1240, 1643, 2120, 2452, 2480, 3065, 3286, 4240, 4904, 6130, 6572, 8215, 9808, 12260, 13144, 16430, 19003, 24520, 26288, 32489, 32860, 38006, 49040, 64978, 65720, 76012, 95015, 129956, 131440, 152024, 162445, 190030, 259912, 304048, 324890, 380060, 519824, 649780, 760120, 1007159, 1299560, 1520240, 2014318, 2599120, 4028636, 5035795, 8057272, 10071590, 16114544, 20143180, 40286360, 80572720]

約数ペア:

[(1, 80572720), (2, 40286360), (4, 20143180), (5, 16114544), (8, 10071590), (10, 8057272), (16, 5035795), (20, 4028636), (31, 2599120), (40, 2014318), (53, 1520240), (62, 1299560), (80, 1007159), (106, 760120), (124, 649780), (155, 519824), (212, 380060), (248, 324890), (265, 304048), (310, 259912), (424, 190030), (496, 162445), (530, 152024), (613, 131440), (620, 129956), (848, 95015), (1060, 76012), (1226, 65720), (1240, 64978), (1643, 49040), (2120, 38006), (2452, 32860), (2480, 32489), (3065, 26288), (3286, 24520), (4240, 19003), (4904, 16430), (6130, 13144), (6572, 12260), (8215, 9808)]