15936440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 40672800

約数和(自身を除く): 24736360

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, 1613, 1976, 2470, 3226, 4940, 6452, 8065, 9880, 12904, 16130, 20969, 30647, 32260, 41938, 61294, 64520, 83876, 104845, 122588, 153235, 167752, 209690, 245176, 306470, 398411, 419380, 612940, 796822, 838760, 1225880, 1593644, 1992055, 3187288, 3984110, 7968220, 15936440]

約数ペア:

[(1, 15936440), (2, 7968220), (4, 3984110), (5, 3187288), (8, 1992055), (10, 1593644), (13, 1225880), (19, 838760), (20, 796822), (26, 612940), (38, 419380), (40, 398411), (52, 306470), (65, 245176), (76, 209690), (95, 167752), (104, 153235), (130, 122588), (152, 104845), (190, 83876), (247, 64520), (260, 61294), (380, 41938), (494, 32260), (520, 30647), (760, 20969), (988, 16130), (1235, 12904), (1613, 9880), (1976, 8065), (2470, 6452), (3226, 4940)]