120320920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5107}}^1$

素因数の和:5168

約数の個数: 64

約数和(自身を含む): 294220800

約数和(自身を除く): 173899880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5107, 5890, 10214, 11780, 20428, 23560, 25535, 40856, 51070, 97033, 102140, 158317, 194066, 204280, 316634, 388132, 485165, 633268, 776264, 791585, 970330, 1266536, 1583170, 1940660, 3008023, 3166340, 3881320, 6016046, 6332680, 12032092, 15040115, 24064184, 30080230, 60160460, 120320920]

約数ペア:

[(1, 120320920), (2, 60160460), (4, 30080230), (5, 24064184), (8, 15040115), (10, 12032092), (19, 6332680), (20, 6016046), (31, 3881320), (38, 3166340), (40, 3008023), (62, 1940660), (76, 1583170), (95, 1266536), (124, 970330), (152, 791585), (155, 776264), (190, 633268), (248, 485165), (310, 388132), (380, 316634), (589, 204280), (620, 194066), (760, 158317), (1178, 102140), (1240, 97033), (2356, 51070), (2945, 40856), (4712, 25535), (5107, 23560), (5890, 20428), (10214, 11780)]