1207304920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{1543}}^1$

素因数の和:2216

約数の個数: 64

約数和(自身を含む): 2810327040

約数和(自身を除く): 1603022120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 631, 1240, 1262, 1543, 2524, 3086, 3155, 5048, 6172, 6310, 7715, 12344, 12620, 15430, 19561, 25240, 30860, 39122, 47833, 61720, 78244, 95666, 97805, 156488, 191332, 195610, 239165, 382664, 391220, 478330, 782440, 956660, 973633, 1913320, 1947266, 3894532, 4868165, 7789064, 9736330, 19472660, 30182623, 38945320, 60365246, 120730492, 150913115, 241460984, 301826230, 603652460, 1207304920]

約数ペア:

[(1, 1207304920), (2, 603652460), (4, 301826230), (5, 241460984), (8, 150913115), (10, 120730492), (20, 60365246), (31, 38945320), (40, 30182623), (62, 19472660), (124, 9736330), (155, 7789064), (248, 4868165), (310, 3894532), (620, 1947266), (631, 1913320), (1240, 973633), (1262, 956660), (1543, 782440), (2524, 478330), (3086, 391220), (3155, 382664), (5048, 239165), (6172, 195610), (6310, 191332), (7715, 156488), (12344, 97805), (12620, 95666), (15430, 78244), (19561, 61720), (25240, 47833), (30860, 39122)]