180357720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 571069440

約数和(自身を除く): 390711720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 101, 115, 120, 138, 184, 202, 230, 276, 303, 345, 404, 460, 505, 552, 606, 647, 690, 808, 920, 1010, 1212, 1294, 1380, 1515, 1941, 2020, 2323, 2424, 2588, 2760, 3030, 3235, 3882, 4040, 4646, 5176, 6060, 6470, 6969, 7764, 9292, 9705, 11615, 12120, 12940, 13938, 14881, 15528, 18584, 19410, 23230, 25880, 27876, 29762, 34845, 38820, 44643, 46460, 55752, 59524, 65347, 69690, 74405, 77640, 89286, 92920, 119048, 130694, 139380, 148810, 178572, 196041, 223215, 261388, 278760, 297620, 326735, 357144, 392082, 446430, 522776, 595240, 653470, 784164, 892860, 980205, 1306940, 1502981, 1568328, 1785720, 1960410, 2613880, 3005962, 3920820, 4508943, 6011924, 7514905, 7841640, 9017886, 12023848, 15029810, 18035772, 22544715, 30059620, 36071544, 45089430, 60119240, 90178860, 180357720]

約数ペア:

[(1, 180357720), (2, 90178860), (3, 60119240), (4, 45089430), (5, 36071544), (6, 30059620), (8, 22544715), (10, 18035772), (12, 15029810), (15, 12023848), (20, 9017886), (23, 7841640), (24, 7514905), (30, 6011924), (40, 4508943), (46, 3920820), (60, 3005962), (69, 2613880), (92, 1960410), (101, 1785720), (115, 1568328), (120, 1502981), (138, 1306940), (184, 980205), (202, 892860), (230, 784164), (276, 653470), (303, 595240), (345, 522776), (404, 446430), (460, 392082), (505, 357144), (552, 326735), (606, 297620), (647, 278760), (690, 261388), (808, 223215), (920, 196041), (1010, 178572), (1212, 148810), (1294, 139380), (1380, 130694), (1515, 119048), (1941, 92920), (2020, 89286), (2323, 77640), (2424, 74405), (2588, 69690), (2760, 65347), (3030, 59524), (3235, 55752), (3882, 46460), (4040, 44643), (4646, 38820), (5176, 34845), (6060, 29762), (6470, 27876), (6969, 25880), (7764, 23230), (9292, 19410), (9705, 18584), (11615, 15528), (12120, 14881), (12940, 13938)]