278555460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4831}}^1$

素因数の和:4905

約数の個数: 72

約数和(自身を含む): 806093568

約数和(自身を除く): 527538108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1860, 1922, 2883, 3844, 4805, 4831, 5766, 9610, 9662, 11532, 14415, 14493, 19220, 19324, 24155, 28830, 28986, 48310, 57660, 57972, 72465, 96620, 144930, 149761, 289860, 299522, 449283, 599044, 748805, 898566, 1497610, 1797132, 2246415, 2995220, 4492830, 4642591, 8985660, 9285182, 13927773, 18570364, 23212955, 27855546, 46425910, 55711092, 69638865, 92851820, 139277730, 278555460]

約数ペア:

[(1, 278555460), (2, 139277730), (3, 92851820), (4, 69638865), (5, 55711092), (6, 46425910), (10, 27855546), (12, 23212955), (15, 18570364), (20, 13927773), (30, 9285182), (31, 8985660), (60, 4642591), (62, 4492830), (93, 2995220), (124, 2246415), (155, 1797132), (186, 1497610), (310, 898566), (372, 748805), (465, 599044), (620, 449283), (930, 299522), (961, 289860), (1860, 149761), (1922, 144930), (2883, 96620), (3844, 72465), (4805, 57972), (4831, 57660), (5766, 48310), (9610, 28986), (9662, 28830), (11532, 24155), (14415, 19324), (14493, 19220)]