15654860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3169}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 37279200

約数和(自身を除く): 21624340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3169, 4940, 6338, 12676, 15845, 31690, 41197, 60211, 63380, 82394, 120422, 164788, 205985, 240844, 301055, 411970, 602110, 782743, 823940, 1204220, 1565486, 3130972, 3913715, 7827430, 15654860]

約数ペア:

[(1, 15654860), (2, 7827430), (4, 3913715), (5, 3130972), (10, 1565486), (13, 1204220), (19, 823940), (20, 782743), (26, 602110), (38, 411970), (52, 301055), (65, 240844), (76, 205985), (95, 164788), (130, 120422), (190, 82394), (247, 63380), (260, 60211), (380, 41197), (494, 31690), (988, 15845), (1235, 12676), (2470, 6338), (3169, 4940)]