291569160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 920160000

約数和(自身を除く): 628590840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 230, 276, 298, 345, 447, 460, 552, 596, 690, 709, 745, 894, 920, 1192, 1380, 1418, 1490, 1788, 2127, 2235, 2760, 2836, 2980, 3427, 3545, 3576, 4254, 4470, 5672, 5960, 6854, 7090, 8508, 8940, 10281, 10635, 13708, 14180, 16307, 17016, 17135, 17880, 20562, 21270, 27416, 28360, 32614, 34270, 41124, 42540, 48921, 51405, 65228, 68540, 81535, 82248, 85080, 97842, 102810, 105641, 130456, 137080, 163070, 195684, 205620, 211282, 244605, 316923, 326140, 391368, 411240, 422564, 489210, 528205, 633846, 652280, 845128, 978420, 1056410, 1267692, 1584615, 1956840, 2112820, 2429743, 2535384, 3169230, 4225640, 4859486, 6338460, 7289229, 9718972, 12148715, 12676920, 14578458, 19437944, 24297430, 29156916, 36446145, 48594860, 58313832, 72892290, 97189720, 145784580, 291569160]

約数ペア:

[(1, 291569160), (2, 145784580), (3, 97189720), (4, 72892290), (5, 58313832), (6, 48594860), (8, 36446145), (10, 29156916), (12, 24297430), (15, 19437944), (20, 14578458), (23, 12676920), (24, 12148715), (30, 9718972), (40, 7289229), (46, 6338460), (60, 4859486), (69, 4225640), (92, 3169230), (115, 2535384), (120, 2429743), (138, 2112820), (149, 1956840), (184, 1584615), (230, 1267692), (276, 1056410), (298, 978420), (345, 845128), (447, 652280), (460, 633846), (552, 528205), (596, 489210), (690, 422564), (709, 411240), (745, 391368), (894, 326140), (920, 316923), (1192, 244605), (1380, 211282), (1418, 205620), (1490, 195684), (1788, 163070), (2127, 137080), (2235, 130456), (2760, 105641), (2836, 102810), (2980, 97842), (3427, 85080), (3545, 82248), (3576, 81535), (4254, 68540), (4470, 65228), (5672, 51405), (5960, 48921), (6854, 42540), (7090, 41124), (8508, 34270), (8940, 32614), (10281, 28360), (10635, 27416), (13708, 21270), (14180, 20562), (16307, 17880), (17016, 17135)]