81229920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 271724544

約数和(自身を除く): 190494624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 80, 93, 96, 103, 106, 120, 124, 155, 159, 160, 186, 206, 212, 240, 248, 265, 309, 310, 318, 372, 412, 424, 465, 480, 496, 515, 530, 618, 620, 636, 744, 795, 824, 848, 930, 992, 1030, 1060, 1236, 1240, 1272, 1488, 1545, 1590, 1643, 1648, 1696, 1860, 2060, 2120, 2472, 2480, 2544, 2976, 3090, 3180, 3193, 3286, 3296, 3720, 4120, 4240, 4929, 4944, 4960, 5088, 5459, 6180, 6360, 6386, 6572, 7440, 8215, 8240, 8480, 9579, 9858, 9888, 10918, 12360, 12720, 12772, 13144, 14880, 15965, 16377, 16430, 16480, 19158, 19716, 21836, 24645, 24720, 25440, 25544, 26288, 27295, 31930, 32754, 32860, 38316, 39432, 43672, 47895, 49290, 49440, 51088, 52576, 54590, 63860, 65508, 65720, 76632, 78864, 81885, 87344, 95790, 98580, 102176, 109180, 127720, 131016, 131440, 153264, 157728, 163770, 169229, 174688, 191580, 197160, 218360, 255440, 262032, 262880, 306528, 327540, 338458, 383160, 394320, 436720, 507687, 510880, 524064, 655080, 676916, 766320, 788640, 846145, 873440, 1015374, 1310160, 1353832, 1532640, 1692290, 2030748, 2538435, 2620320, 2707664, 3384580, 4061496, 5076870, 5415328, 6769160, 8122992, 10153740, 13538320, 16245984, 20307480, 27076640, 40614960, 81229920]

約数ペア:

[(1, 81229920), (2, 40614960), (3, 27076640), (4, 20307480), (5, 16245984), (6, 13538320), (8, 10153740), (10, 8122992), (12, 6769160), (15, 5415328), (16, 5076870), (20, 4061496), (24, 3384580), (30, 2707664), (31, 2620320), (32, 2538435), (40, 2030748), (48, 1692290), (53, 1532640), (60, 1353832), (62, 1310160), (80, 1015374), (93, 873440), (96, 846145), (103, 788640), (106, 766320), (120, 676916), (124, 655080), (155, 524064), (159, 510880), (160, 507687), (186, 436720), (206, 394320), (212, 383160), (240, 338458), (248, 327540), (265, 306528), (309, 262880), (310, 262032), (318, 255440), (372, 218360), (412, 197160), (424, 191580), (465, 174688), (480, 169229), (496, 163770), (515, 157728), (530, 153264), (618, 131440), (620, 131016), (636, 127720), (744, 109180), (795, 102176), (824, 98580), (848, 95790), (930, 87344), (992, 81885), (1030, 78864), (1060, 76632), (1236, 65720), (1240, 65508), (1272, 63860), (1488, 54590), (1545, 52576), (1590, 51088), (1643, 49440), (1648, 49290), (1696, 47895), (1860, 43672), (2060, 39432), (2120, 38316), (2472, 32860), (2480, 32754), (2544, 31930), (2976, 27295), (3090, 26288), (3180, 25544), (3193, 25440), (3286, 24720), (3296, 24645), (3720, 21836), (4120, 19716), (4240, 19158), (4929, 16480), (4944, 16430), (4960, 16377), (5088, 15965), (5459, 14880), (6180, 13144), (6360, 12772), (6386, 12720), (6572, 12360), (7440, 10918), (8215, 9888), (8240, 9858), (8480, 9579)]