129056720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4060

約数の個数: 80

約数和(自身を含む): 333645312

約数和(自身を除く): 204588592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4003, 4030, 6448, 8006, 8060, 16012, 16120, 20015, 32024, 32240, 40030, 52039, 64048, 80060, 104078, 124093, 160120, 208156, 248186, 260195, 320240, 416312, 496372, 520390, 620465, 832624, 992744, 1040780, 1240930, 1613209, 1985488, 2081560, 2481860, 3226418, 4163120, 4963720, 6452836, 8066045, 9927440, 12905672, 16132090, 25811344, 32264180, 64528360, 129056720]

約数ペア:

[(1, 129056720), (2, 64528360), (4, 32264180), (5, 25811344), (8, 16132090), (10, 12905672), (13, 9927440), (16, 8066045), (20, 6452836), (26, 4963720), (31, 4163120), (40, 3226418), (52, 2481860), (62, 2081560), (65, 1985488), (80, 1613209), (104, 1240930), (124, 1040780), (130, 992744), (155, 832624), (208, 620465), (248, 520390), (260, 496372), (310, 416312), (403, 320240), (496, 260195), (520, 248186), (620, 208156), (806, 160120), (1040, 124093), (1240, 104078), (1612, 80060), (2015, 64048), (2480, 52039), (3224, 40030), (4003, 32240), (4030, 32024), (6448, 20015), (8006, 16120), (8060, 16012)]