307864720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{124139}}^1$

素因数の和:124183

約数の個数: 40

約数和(自身を含む): 738881280

約数和(自身を除く): 431016560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 124139, 248278, 496556, 620695, 993112, 1241390, 1986224, 2482780, 3848309, 4965560, 7696618, 9931120, 15393236, 19241545, 30786472, 38483090, 61572944, 76966180, 153932360, 307864720]

約数ペア:

[(1, 307864720), (2, 153932360), (4, 76966180), (5, 61572944), (8, 38483090), (10, 30786472), (16, 19241545), (20, 15393236), (31, 9931120), (40, 7696618), (62, 4965560), (80, 3848309), (124, 2482780), (155, 1986224), (248, 1241390), (310, 993112), (496, 620695), (620, 496556), (1240, 248278), (2480, 124139)]