154552840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15643}}^1$

素因数の和:15686

約数の個数: 64

約数和(自身を含む): 394228800

約数和(自身を除く): 239675960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15643, 31286, 62572, 78215, 125144, 156430, 203359, 297217, 312860, 406718, 594434, 625720, 813436, 1016795, 1188868, 1486085, 1626872, 2033590, 2377736, 2972170, 3863821, 4067180, 5944340, 7727642, 8134360, 11888680, 15455284, 19319105, 30910568, 38638210, 77276420, 154552840]

約数ペア:

[(1, 154552840), (2, 77276420), (4, 38638210), (5, 30910568), (8, 19319105), (10, 15455284), (13, 11888680), (19, 8134360), (20, 7727642), (26, 5944340), (38, 4067180), (40, 3863821), (52, 2972170), (65, 2377736), (76, 2033590), (95, 1626872), (104, 1486085), (130, 1188868), (152, 1016795), (190, 813436), (247, 625720), (260, 594434), (380, 406718), (494, 312860), (520, 297217), (760, 203359), (988, 156430), (1235, 125144), (1976, 78215), (2470, 62572), (4940, 31286), (9880, 15643)]