15681820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 27863780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 599, 748, 770, 935, 1190, 1198, 1309, 1540, 1870, 2380, 2396, 2618, 2995, 3740, 4193, 5236, 5990, 6545, 6589, 8386, 10183, 11980, 13090, 13178, 16772, 20366, 20965, 26180, 26356, 32945, 40732, 41930, 46123, 50915, 65890, 71281, 83860, 92246, 101830, 112013, 131780, 142562, 184492, 203660, 224026, 230615, 285124, 356405, 448052, 461230, 560065, 712810, 784091, 922460, 1120130, 1425620, 1568182, 2240260, 3136364, 3920455, 7840910, 15681820]

約数ペア:

[(1, 15681820), (2, 7840910), (4, 3920455), (5, 3136364), (7, 2240260), (10, 1568182), (11, 1425620), (14, 1120130), (17, 922460), (20, 784091), (22, 712810), (28, 560065), (34, 461230), (35, 448052), (44, 356405), (55, 285124), (68, 230615), (70, 224026), (77, 203660), (85, 184492), (110, 142562), (119, 131780), (140, 112013), (154, 101830), (170, 92246), (187, 83860), (220, 71281), (238, 65890), (308, 50915), (340, 46123), (374, 41930), (385, 40732), (476, 32945), (595, 26356), (599, 26180), (748, 20965), (770, 20366), (935, 16772), (1190, 13178), (1198, 13090), (1309, 11980), (1540, 10183), (1870, 8386), (2380, 6589), (2396, 6545), (2618, 5990), (2995, 5236), (3740, 4193)]