128203740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101749}}^1$

素因数の和:101771

約数の個数: 72

約数和(自身を含む): 444444000

約数和(自身を除く): 316240260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 101749, 203498, 305247, 406996, 508745, 610494, 712243, 915741, 1017490, 1220988, 1424486, 1526235, 1831482, 2034980, 2136729, 2848972, 3052470, 3561215, 3662964, 4273458, 4578705, 6104940, 6410187, 7122430, 8546916, 9157410, 10683645, 12820374, 14244860, 18314820, 21367290, 25640748, 32050935, 42734580, 64101870, 128203740]

約数ペア:

[(1, 128203740), (2, 64101870), (3, 42734580), (4, 32050935), (5, 25640748), (6, 21367290), (7, 18314820), (9, 14244860), (10, 12820374), (12, 10683645), (14, 9157410), (15, 8546916), (18, 7122430), (20, 6410187), (21, 6104940), (28, 4578705), (30, 4273458), (35, 3662964), (36, 3561215), (42, 3052470), (45, 2848972), (60, 2136729), (63, 2034980), (70, 1831482), (84, 1526235), (90, 1424486), (105, 1220988), (126, 1017490), (140, 915741), (180, 712243), (210, 610494), (252, 508745), (315, 406996), (420, 305247), (630, 203498), (1260, 101749)]