165038420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 378362880

約数和(自身を除く): 213324460

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 67, 116, 124, 134, 137, 145, 155, 268, 274, 290, 310, 335, 548, 580, 620, 670, 685, 899, 1340, 1370, 1798, 1943, 2077, 2740, 3596, 3886, 3973, 4154, 4247, 4495, 7772, 7946, 8308, 8494, 8990, 9179, 9715, 10385, 15892, 16988, 17980, 18358, 19430, 19865, 20770, 21235, 36716, 38860, 39730, 41540, 42470, 45895, 60233, 79460, 84940, 91790, 120466, 123163, 183580, 240932, 246326, 266191, 284549, 301165, 492652, 532382, 569098, 602330, 615815, 1064764, 1138196, 1204660, 1231630, 1330955, 1422745, 2463260, 2661910, 2845490, 5323820, 5690980, 8251921, 16503842, 33007684, 41259605, 82519210, 165038420]

約数ペア:

[(1, 165038420), (2, 82519210), (4, 41259605), (5, 33007684), (10, 16503842), (20, 8251921), (29, 5690980), (31, 5323820), (58, 2845490), (62, 2661910), (67, 2463260), (116, 1422745), (124, 1330955), (134, 1231630), (137, 1204660), (145, 1138196), (155, 1064764), (268, 615815), (274, 602330), (290, 569098), (310, 532382), (335, 492652), (548, 301165), (580, 284549), (620, 266191), (670, 246326), (685, 240932), (899, 183580), (1340, 123163), (1370, 120466), (1798, 91790), (1943, 84940), (2077, 79460), (2740, 60233), (3596, 45895), (3886, 42470), (3973, 41540), (4154, 39730), (4247, 38860), (4495, 36716), (7772, 21235), (7946, 20770), (8308, 19865), (8494, 19430), (8990, 18358), (9179, 17980), (9715, 16988), (10385, 15892)]