215969520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69221}}^1$

素因数の和:69250

約数の個数: 80

約数和(自身を含む): 721016352

約数和(自身を除く): 505046832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 69221, 138442, 207663, 276884, 346105, 415326, 553768, 692210, 830652, 899873, 1038315, 1107536, 1384420, 1661304, 1799746, 2076630, 2699619, 2768840, 3322608, 3599492, 4153260, 4499365, 5399238, 5537680, 7198984, 8306520, 8998730, 10798476, 13498095, 14397968, 16613040, 17997460, 21596952, 26996190, 35994920, 43193904, 53992380, 71989840, 107984760, 215969520]

約数ペア:

[(1, 215969520), (2, 107984760), (3, 71989840), (4, 53992380), (5, 43193904), (6, 35994920), (8, 26996190), (10, 21596952), (12, 17997460), (13, 16613040), (15, 14397968), (16, 13498095), (20, 10798476), (24, 8998730), (26, 8306520), (30, 7198984), (39, 5537680), (40, 5399238), (48, 4499365), (52, 4153260), (60, 3599492), (65, 3322608), (78, 2768840), (80, 2699619), (104, 2076630), (120, 1799746), (130, 1661304), (156, 1384420), (195, 1107536), (208, 1038315), (240, 899873), (260, 830652), (312, 692210), (390, 553768), (520, 415326), (624, 346105), (780, 276884), (1040, 207663), (1560, 138442), (3120, 69221)]