1891747260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{808439}}^1$

素因数の和:808467

約数の個数: 72

約数和(自身を含む): 6179715360

約数和(自身を除く): 4287968100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 808439, 1616878, 2425317, 3233756, 4042195, 4850634, 7275951, 8084390, 9701268, 10509707, 12126585, 14551902, 16168780, 21019414, 24253170, 29103804, 31529121, 36379755, 42038828, 48506340, 52548535, 63058242, 72759510, 94587363, 105097070, 126116484, 145519020, 157645605, 189174726, 210194140, 315291210, 378349452, 472936815, 630582420, 945873630, 1891747260]

約数ペア:

[(1, 1891747260), (2, 945873630), (3, 630582420), (4, 472936815), (5, 378349452), (6, 315291210), (9, 210194140), (10, 189174726), (12, 157645605), (13, 145519020), (15, 126116484), (18, 105097070), (20, 94587363), (26, 72759510), (30, 63058242), (36, 52548535), (39, 48506340), (45, 42038828), (52, 36379755), (60, 31529121), (65, 29103804), (78, 24253170), (90, 21019414), (117, 16168780), (130, 14551902), (156, 12126585), (180, 10509707), (195, 9701268), (234, 8084390), (260, 7275951), (390, 4850634), (468, 4042195), (585, 3233756), (780, 2425317), (1170, 1616878), (2340, 808439)]