86964920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 237219840

約数和(自身を除く): 150254920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 215, 217, 233, 248, 280, 301, 310, 344, 430, 434, 466, 602, 620, 860, 868, 932, 1085, 1165, 1204, 1240, 1333, 1505, 1631, 1720, 1736, 1864, 2170, 2330, 2408, 2666, 3010, 3262, 4340, 4660, 5332, 6020, 6524, 6665, 7223, 8155, 8680, 9320, 9331, 10019, 10664, 12040, 13048, 13330, 14446, 16310, 18662, 20038, 26660, 28892, 32620, 36115, 37324, 40076, 46655, 50095, 50561, 53320, 57784, 65240, 70133, 72230, 74648, 80152, 93310, 100190, 101122, 140266, 144460, 186620, 200380, 202244, 252805, 280532, 288920, 310589, 350665, 373240, 400760, 404488, 505610, 561064, 621178, 701330, 1011220, 1242356, 1402660, 1552945, 2022440, 2174123, 2484712, 2805320, 3105890, 4348246, 6211780, 8696492, 10870615, 12423560, 17392984, 21741230, 43482460, 86964920]

約数ペア:

[(1, 86964920), (2, 43482460), (4, 21741230), (5, 17392984), (7, 12423560), (8, 10870615), (10, 8696492), (14, 6211780), (20, 4348246), (28, 3105890), (31, 2805320), (35, 2484712), (40, 2174123), (43, 2022440), (56, 1552945), (62, 1402660), (70, 1242356), (86, 1011220), (124, 701330), (140, 621178), (155, 561064), (172, 505610), (215, 404488), (217, 400760), (233, 373240), (248, 350665), (280, 310589), (301, 288920), (310, 280532), (344, 252805), (430, 202244), (434, 200380), (466, 186620), (602, 144460), (620, 140266), (860, 101122), (868, 100190), (932, 93310), (1085, 80152), (1165, 74648), (1204, 72230), (1240, 70133), (1333, 65240), (1505, 57784), (1631, 53320), (1720, 50561), (1736, 50095), (1864, 46655), (2170, 40076), (2330, 37324), (2408, 36115), (2666, 32620), (3010, 28892), (3262, 26660), (4340, 20038), (4660, 18662), (5332, 16310), (6020, 14446), (6524, 13330), (6665, 13048), (7223, 12040), (8155, 10664), (8680, 10019), (9320, 9331)]