237487640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7487}}^1$

素因数の和:7572

約数の個数: 64

約数和(自身を含む): 584962560

約数和(自身を除く): 347474920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 7487, 7930, 14974, 15860, 29948, 31720, 37435, 59896, 74870, 97331, 149740, 194662, 299480, 389324, 456707, 486655, 778648, 913414, 973310, 1826828, 1946620, 2283535, 3653656, 3893240, 4567070, 5937191, 9134140, 11874382, 18268280, 23748764, 29685955, 47497528, 59371910, 118743820, 237487640]

約数ペア:

[(1, 237487640), (2, 118743820), (4, 59371910), (5, 47497528), (8, 29685955), (10, 23748764), (13, 18268280), (20, 11874382), (26, 9134140), (40, 5937191), (52, 4567070), (61, 3893240), (65, 3653656), (104, 2283535), (122, 1946620), (130, 1826828), (244, 973310), (260, 913414), (305, 778648), (488, 486655), (520, 456707), (610, 389324), (793, 299480), (1220, 194662), (1586, 149740), (2440, 97331), (3172, 74870), (3965, 59896), (6344, 37435), (7487, 31720), (7930, 29948), (14974, 15860)]