749580

素因数分解:

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

素因数の和:87

約数の個数: 72

約数和(自身を含む): 2335536

約数和(自身を除く): 1585956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 961, 1209, 1612, 1860, 1922, 2015, 2418, 2883, 3844, 4030, 4805, 4836, 5766, 6045, 8060, 9610, 11532, 12090, 12493, 14415, 19220, 24180, 24986, 28830, 37479, 49972, 57660, 62465, 74958, 124930, 149916, 187395, 249860, 374790, 749580]

約数ペア:

[(1, 749580), (2, 374790), (3, 249860), (4, 187395), (5, 149916), (6, 124930), (10, 74958), (12, 62465), (13, 57660), (15, 49972), (20, 37479), (26, 28830), (30, 24986), (31, 24180), (39, 19220), (52, 14415), (60, 12493), (62, 12090), (65, 11532), (78, 9610), (93, 8060), (124, 6045), (130, 5766), (155, 4836), (156, 4805), (186, 4030), (195, 3844), (260, 2883), (310, 2418), (372, 2015), (390, 1922), (403, 1860), (465, 1612), (620, 1209), (780, 961), (806, 930)]