86581760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1145

約数の個数: 80

約数和(自身を含む): 214486272

約数和(自身を除く): 127904512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1091, 1240, 1280, 1984, 2182, 2480, 2560, 3968, 4364, 4960, 5455, 7936, 8728, 9920, 10910, 15872, 17456, 19840, 21820, 33821, 34912, 39680, 43640, 67642, 69824, 79360, 87280, 135284, 139648, 169105, 174560, 270568, 279296, 338210, 349120, 541136, 558592, 676420, 698240, 1082272, 1352840, 1396480, 2164544, 2705680, 2792960, 4329088, 5411360, 8658176, 10822720, 17316352, 21645440, 43290880, 86581760]

約数ペア:

[(1, 86581760), (2, 43290880), (4, 21645440), (5, 17316352), (8, 10822720), (10, 8658176), (16, 5411360), (20, 4329088), (31, 2792960), (32, 2705680), (40, 2164544), (62, 1396480), (64, 1352840), (80, 1082272), (124, 698240), (128, 676420), (155, 558592), (160, 541136), (248, 349120), (256, 338210), (310, 279296), (320, 270568), (496, 174560), (512, 169105), (620, 139648), (640, 135284), (992, 87280), (1091, 79360), (1240, 69824), (1280, 67642), (1984, 43640), (2182, 39680), (2480, 34912), (2560, 33821), (3968, 21820), (4364, 19840), (4960, 17456), (5455, 15872), (7936, 10910), (8728, 9920)]