130630640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2730

約数の個数: 80

約数和(自身を含む): 351138240

約数和(自身を除く): 220507600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 2621, 3115, 3560, 4984, 5242, 6230, 7120, 9968, 10484, 12460, 13105, 18347, 20968, 24920, 26210, 36694, 41936, 49840, 52420, 73388, 91735, 104840, 146776, 183470, 209680, 233269, 293552, 366940, 466538, 733880, 933076, 1166345, 1467760, 1632883, 1866152, 2332690, 3265766, 3732304, 4665380, 6531532, 8164415, 9330760, 13063064, 16328830, 18661520, 26126128, 32657660, 65315320, 130630640]

約数ペア:

[(1, 130630640), (2, 65315320), (4, 32657660), (5, 26126128), (7, 18661520), (8, 16328830), (10, 13063064), (14, 9330760), (16, 8164415), (20, 6531532), (28, 4665380), (35, 3732304), (40, 3265766), (56, 2332690), (70, 1866152), (80, 1632883), (89, 1467760), (112, 1166345), (140, 933076), (178, 733880), (280, 466538), (356, 366940), (445, 293552), (560, 233269), (623, 209680), (712, 183470), (890, 146776), (1246, 104840), (1424, 91735), (1780, 73388), (2492, 52420), (2621, 49840), (3115, 41936), (3560, 36694), (4984, 26210), (5242, 24920), (6230, 20968), (7120, 18347), (9968, 13105), (10484, 12460)]