3871980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{439}}^1$

素因数の和:468

約数の個数: 108

約数和(自身を含む): 13693680

約数和(自身を除く): 9821700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 439, 441, 490, 588, 630, 735, 878, 882, 980, 1260, 1317, 1470, 1756, 1764, 2195, 2205, 2634, 2940, 3073, 3951, 4390, 4410, 5268, 6146, 6585, 7902, 8780, 8820, 9219, 12292, 13170, 15365, 15804, 18438, 19755, 21511, 26340, 27657, 30730, 36876, 39510, 43022, 46095, 55314, 61460, 64533, 79020, 86044, 92190, 107555, 110628, 129066, 138285, 184380, 193599, 215110, 258132, 276570, 322665, 387198, 430220, 553140, 645330, 774396, 967995, 1290660, 1935990, 3871980]

約数ペア:

[(1, 3871980), (2, 1935990), (3, 1290660), (4, 967995), (5, 774396), (6, 645330), (7, 553140), (9, 430220), (10, 387198), (12, 322665), (14, 276570), (15, 258132), (18, 215110), (20, 193599), (21, 184380), (28, 138285), (30, 129066), (35, 110628), (36, 107555), (42, 92190), (45, 86044), (49, 79020), (60, 64533), (63, 61460), (70, 55314), (84, 46095), (90, 43022), (98, 39510), (105, 36876), (126, 30730), (140, 27657), (147, 26340), (180, 21511), (196, 19755), (210, 18438), (245, 15804), (252, 15365), (294, 13170), (315, 12292), (420, 9219), (439, 8820), (441, 8780), (490, 7902), (588, 6585), (630, 6146), (735, 5268), (878, 4410), (882, 4390), (980, 3951), (1260, 3073), (1317, 2940), (1470, 2634), (1756, 2205), (1764, 2195)]