15644980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3167}}^1$

素因数の和:3208

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 21610700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3167, 4940, 6334, 12668, 15835, 31670, 41171, 60173, 63340, 82342, 120346, 164684, 205855, 240692, 300865, 411710, 601730, 782249, 823420, 1203460, 1564498, 3128996, 3911245, 7822490, 15644980]

約数ペア:

[(1, 15644980), (2, 7822490), (4, 3911245), (5, 3128996), (10, 1564498), (13, 1203460), (19, 823420), (20, 782249), (26, 601730), (38, 411710), (52, 300865), (65, 240692), (76, 205855), (95, 164684), (130, 120346), (190, 82342), (247, 63340), (260, 60173), (380, 41171), (494, 31670), (988, 15835), (1235, 12668), (2470, 6334), (3167, 4940)]