161740540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 398664000

約数和(自身を除く): 236923460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 190, 247, 260, 290, 377, 380, 494, 551, 580, 754, 988, 1102, 1129, 1235, 1508, 1885, 2204, 2258, 2470, 2755, 3770, 4516, 4940, 5510, 5645, 7163, 7540, 11020, 11290, 14326, 14677, 21451, 22580, 28652, 29354, 32741, 35815, 42902, 58708, 65482, 71630, 73385, 85804, 107255, 130964, 143260, 146770, 163705, 214510, 278863, 293540, 327410, 425633, 429020, 557726, 622079, 654820, 851266, 1115452, 1244158, 1394315, 1702532, 2128165, 2488316, 2788630, 3110395, 4256330, 5577260, 6220790, 8087027, 8512660, 12441580, 16174054, 32348108, 40435135, 80870270, 161740540]

約数ペア:

[(1, 161740540), (2, 80870270), (4, 40435135), (5, 32348108), (10, 16174054), (13, 12441580), (19, 8512660), (20, 8087027), (26, 6220790), (29, 5577260), (38, 4256330), (52, 3110395), (58, 2788630), (65, 2488316), (76, 2128165), (95, 1702532), (116, 1394315), (130, 1244158), (145, 1115452), (190, 851266), (247, 654820), (260, 622079), (290, 557726), (377, 429020), (380, 425633), (494, 327410), (551, 293540), (580, 278863), (754, 214510), (988, 163705), (1102, 146770), (1129, 143260), (1235, 130964), (1508, 107255), (1885, 85804), (2204, 73385), (2258, 71630), (2470, 65482), (2755, 58708), (3770, 42902), (4516, 35815), (4940, 32741), (5510, 29354), (5645, 28652), (7163, 22580), (7540, 21451), (11020, 14677), (11290, 14326)]