285318180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:336

約数の個数: 288

約数和(自身を含む): 1061786880

約数和(自身を除く): 776468700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 49, 54, 60, 63, 70, 82, 84, 90, 98, 105, 108, 123, 126, 135, 140, 147, 164, 180, 189, 196, 205, 210, 245, 246, 252, 263, 270, 287, 294, 315, 369, 378, 410, 420, 441, 490, 492, 526, 540, 574, 588, 615, 630, 735, 738, 756, 789, 820, 861, 882, 945, 980, 1052, 1107, 1148, 1230, 1260, 1315, 1323, 1435, 1470, 1476, 1578, 1722, 1764, 1841, 1845, 1890, 2009, 2205, 2214, 2367, 2460, 2583, 2630, 2646, 2870, 2940, 3156, 3444, 3682, 3690, 3780, 3945, 4018, 4305, 4410, 4428, 4734, 5166, 5260, 5292, 5523, 5535, 5740, 6027, 6615, 7101, 7364, 7380, 7749, 7890, 8036, 8610, 8820, 9205, 9468, 10045, 10332, 10783, 11046, 11070, 11835, 12054, 12887, 12915, 13230, 14202, 15498, 15780, 16569, 17220, 18081, 18410, 20090, 21566, 22092, 22140, 23670, 24108, 25774, 25830, 26460, 27615, 28404, 30135, 30996, 32349, 33138, 35505, 36162, 36820, 38661, 38745, 40180, 43132, 47340, 49707, 51548, 51660, 53915, 54243, 55230, 60270, 64435, 64698, 66276, 71010, 72324, 75481, 77322, 77490, 82845, 90405, 97047, 99414, 107830, 108486, 110460, 115983, 120540, 128870, 129396, 142020, 150962, 154644, 154980, 161745, 165690, 180810, 193305, 194094, 198828, 215660, 216972, 226443, 231966, 248535, 257740, 271215, 291141, 301924, 323490, 331380, 347949, 361620, 377405, 386610, 388188, 452886, 463932, 485235, 497070, 528367, 542430, 579915, 582282, 646980, 679329, 695898, 754810, 773220, 905772, 970470, 994140, 1056734, 1084860, 1132215, 1159830, 1164564, 1358658, 1391796, 1455705, 1509620, 1585101, 1739745, 1940940, 2037987, 2113468, 2264430, 2319660, 2641835, 2717316, 2911410, 3170202, 3396645, 3479490, 4075974, 4528860, 4755303, 5283670, 5822820, 6340404, 6793290, 6958980, 7925505, 8151948, 9510606, 10189935, 10567340, 13586580, 14265909, 15851010, 19021212, 20379870, 23776515, 28531818, 31702020, 40759740, 47553030, 57063636, 71329545, 95106060, 142659090, 285318180]

約数ペア:

[(1, 285318180), (2, 142659090), (3, 95106060), (4, 71329545), (5, 57063636), (6, 47553030), (7, 40759740), (9, 31702020), (10, 28531818), (12, 23776515), (14, 20379870), (15, 19021212), (18, 15851010), (20, 14265909), (21, 13586580), (27, 10567340), (28, 10189935), (30, 9510606), (35, 8151948), (36, 7925505), (41, 6958980), (42, 6793290), (45, 6340404), (49, 5822820), (54, 5283670), (60, 4755303), (63, 4528860), (70, 4075974), (82, 3479490), (84, 3396645), (90, 3170202), (98, 2911410), (105, 2717316), (108, 2641835), (123, 2319660), (126, 2264430), (135, 2113468), (140, 2037987), (147, 1940940), (164, 1739745), (180, 1585101), (189, 1509620), (196, 1455705), (205, 1391796), (210, 1358658), (245, 1164564), (246, 1159830), (252, 1132215), (263, 1084860), (270, 1056734), (287, 994140), (294, 970470), (315, 905772), (369, 773220), (378, 754810), (410, 695898), (420, 679329), (441, 646980), (490, 582282), (492, 579915), (526, 542430), (540, 528367), (574, 497070), (588, 485235), (615, 463932), (630, 452886), (735, 388188), (738, 386610), (756, 377405), (789, 361620), (820, 347949), (861, 331380), (882, 323490), (945, 301924), (980, 291141), (1052, 271215), (1107, 257740), (1148, 248535), (1230, 231966), (1260, 226443), (1315, 216972), (1323, 215660), (1435, 198828), (1470, 194094), (1476, 193305), (1578, 180810), (1722, 165690), (1764, 161745), (1841, 154980), (1845, 154644), (1890, 150962), (2009, 142020), (2205, 129396), (2214, 128870), (2367, 120540), (2460, 115983), (2583, 110460), (2630, 108486), (2646, 107830), (2870, 99414), (2940, 97047), (3156, 90405), (3444, 82845), (3682, 77490), (3690, 77322), (3780, 75481), (3945, 72324), (4018, 71010), (4305, 66276), (4410, 64698), (4428, 64435), (4734, 60270), (5166, 55230), (5260, 54243), (5292, 53915), (5523, 51660), (5535, 51548), (5740, 49707), (6027, 47340), (6615, 43132), (7101, 40180), (7364, 38745), (7380, 38661), (7749, 36820), (7890, 36162), (8036, 35505), (8610, 33138), (8820, 32349), (9205, 30996), (9468, 30135), (10045, 28404), (10332, 27615), (10783, 26460), (11046, 25830), (11070, 25774), (11835, 24108), (12054, 23670), (12887, 22140), (12915, 22092), (13230, 21566), (14202, 20090), (15498, 18410), (15780, 18081), (16569, 17220)]