9001980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3847}}^1$

素因数の和:3875

約数の個数: 72

約数和(自身を含む): 29414112

約数和(自身を除く): 20412132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3847, 7694, 11541, 15388, 19235, 23082, 34623, 38470, 46164, 50011, 57705, 69246, 76940, 100022, 115410, 138492, 150033, 173115, 200044, 230820, 250055, 300066, 346230, 450099, 500110, 600132, 692460, 750165, 900198, 1000220, 1500330, 1800396, 2250495, 3000660, 4500990, 9001980]

約数ペア:

[(1, 9001980), (2, 4500990), (3, 3000660), (4, 2250495), (5, 1800396), (6, 1500330), (9, 1000220), (10, 900198), (12, 750165), (13, 692460), (15, 600132), (18, 500110), (20, 450099), (26, 346230), (30, 300066), (36, 250055), (39, 230820), (45, 200044), (52, 173115), (60, 150033), (65, 138492), (78, 115410), (90, 100022), (117, 76940), (130, 69246), (156, 57705), (180, 50011), (195, 46164), (234, 38470), (260, 34623), (390, 23082), (468, 19235), (585, 15388), (780, 11541), (1170, 7694), (2340, 3847)]