80712840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 269337600

約数和(自身を除く): 188624760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1669, 1860, 2015, 2418, 3224, 3338, 3720, 4030, 4836, 5007, 6045, 6676, 8060, 8345, 9672, 10014, 12090, 13352, 16120, 16690, 20028, 21697, 24180, 25035, 33380, 40056, 43394, 48360, 50070, 51739, 65091, 66760, 86788, 100140, 103478, 108485, 130182, 155217, 173576, 200280, 206956, 216970, 258695, 260364, 310434, 325455, 413912, 433940, 517390, 520728, 620868, 650910, 672607, 776085, 867880, 1034780, 1241736, 1301820, 1345214, 1552170, 2017821, 2069560, 2603640, 2690428, 3104340, 3363035, 4035642, 5380856, 6208680, 6726070, 8071284, 10089105, 13452140, 16142568, 20178210, 26904280, 40356420, 80712840]

約数ペア:

[(1, 80712840), (2, 40356420), (3, 26904280), (4, 20178210), (5, 16142568), (6, 13452140), (8, 10089105), (10, 8071284), (12, 6726070), (13, 6208680), (15, 5380856), (20, 4035642), (24, 3363035), (26, 3104340), (30, 2690428), (31, 2603640), (39, 2069560), (40, 2017821), (52, 1552170), (60, 1345214), (62, 1301820), (65, 1241736), (78, 1034780), (93, 867880), (104, 776085), (120, 672607), (124, 650910), (130, 620868), (155, 520728), (156, 517390), (186, 433940), (195, 413912), (248, 325455), (260, 310434), (310, 260364), (312, 258695), (372, 216970), (390, 206956), (403, 200280), (465, 173576), (520, 155217), (620, 130182), (744, 108485), (780, 103478), (806, 100140), (930, 86788), (1209, 66760), (1240, 65091), (1560, 51739), (1612, 50070), (1669, 48360), (1860, 43394), (2015, 40056), (2418, 33380), (3224, 25035), (3338, 24180), (3720, 21697), (4030, 20028), (4836, 16690), (5007, 16120), (6045, 13352), (6676, 12090), (8060, 10014), (8345, 9672)]