772980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 2333184

約数和(自身を除く): 1560204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 991, 1982, 2973, 3964, 4955, 5946, 9910, 11892, 12883, 14865, 19820, 25766, 29730, 38649, 51532, 59460, 64415, 77298, 128830, 154596, 193245, 257660, 386490, 772980]

約数ペア:

[(1, 772980), (2, 386490), (3, 257660), (4, 193245), (5, 154596), (6, 128830), (10, 77298), (12, 64415), (13, 59460), (15, 51532), (20, 38649), (26, 29730), (30, 25766), (39, 19820), (52, 14865), (60, 12883), (65, 11892), (78, 9910), (130, 5946), (156, 4955), (195, 3964), (260, 2973), (390, 1982), (780, 991)]