7628790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 20385792

約数和(自身を除く): 12757002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 631, 806, 930, 1209, 1262, 1893, 2015, 2418, 3155, 3786, 4030, 6045, 6310, 8203, 9465, 12090, 16406, 18930, 19561, 24609, 39122, 41015, 49218, 58683, 82030, 97805, 117366, 123045, 195610, 246090, 254293, 293415, 508586, 586830, 762879, 1271465, 1525758, 2542930, 3814395, 7628790]

約数ペア:

[(1, 7628790), (2, 3814395), (3, 2542930), (5, 1525758), (6, 1271465), (10, 762879), (13, 586830), (15, 508586), (26, 293415), (30, 254293), (31, 246090), (39, 195610), (62, 123045), (65, 117366), (78, 97805), (93, 82030), (130, 58683), (155, 49218), (186, 41015), (195, 39122), (310, 24609), (390, 19561), (403, 18930), (465, 16406), (631, 12090), (806, 9465), (930, 8203), (1209, 6310), (1262, 6045), (1893, 4030), (2015, 3786), (2418, 3155)]