87290240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 226048320

約数和(自身を除く): 138758080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 85, 113, 128, 136, 142, 160, 170, 226, 272, 284, 320, 340, 355, 452, 544, 565, 568, 640, 680, 710, 904, 1088, 1130, 1136, 1207, 1360, 1420, 1808, 1921, 2176, 2260, 2272, 2414, 2720, 2840, 3616, 3842, 4520, 4544, 4828, 5440, 5680, 6035, 7232, 7684, 8023, 9040, 9088, 9605, 9656, 10880, 11360, 12070, 14464, 15368, 16046, 18080, 19210, 19312, 22720, 24140, 30736, 32092, 36160, 38420, 38624, 40115, 45440, 48280, 61472, 64184, 72320, 76840, 77248, 80230, 96560, 122944, 128368, 136391, 153680, 154496, 160460, 193120, 245888, 256736, 272782, 307360, 320920, 386240, 513472, 545564, 614720, 641840, 681955, 772480, 1026944, 1091128, 1229440, 1283680, 1363910, 2182256, 2567360, 2727820, 4364512, 5134720, 5455640, 8729024, 10911280, 17458048, 21822560, 43645120, 87290240]

約数ペア:

[(1, 87290240), (2, 43645120), (4, 21822560), (5, 17458048), (8, 10911280), (10, 8729024), (16, 5455640), (17, 5134720), (20, 4364512), (32, 2727820), (34, 2567360), (40, 2182256), (64, 1363910), (68, 1283680), (71, 1229440), (80, 1091128), (85, 1026944), (113, 772480), (128, 681955), (136, 641840), (142, 614720), (160, 545564), (170, 513472), (226, 386240), (272, 320920), (284, 307360), (320, 272782), (340, 256736), (355, 245888), (452, 193120), (544, 160460), (565, 154496), (568, 153680), (640, 136391), (680, 128368), (710, 122944), (904, 96560), (1088, 80230), (1130, 77248), (1136, 76840), (1207, 72320), (1360, 64184), (1420, 61472), (1808, 48280), (1921, 45440), (2176, 40115), (2260, 38624), (2272, 38420), (2414, 36160), (2720, 32092), (2840, 30736), (3616, 24140), (3842, 22720), (4520, 19312), (4544, 19210), (4828, 18080), (5440, 16046), (5680, 15368), (6035, 14464), (7232, 12070), (7684, 11360), (8023, 10880), (9040, 9656), (9088, 9605)]