245230020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 288

約数和(自身を含む): 898200576

約数和(自身を除く): 652970556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 47, 60, 63, 70, 82, 84, 90, 94, 101, 105, 123, 126, 140, 141, 164, 180, 188, 202, 205, 210, 235, 246, 252, 282, 287, 303, 315, 329, 369, 404, 410, 420, 423, 470, 492, 505, 564, 574, 606, 615, 630, 658, 705, 707, 738, 820, 846, 861, 909, 940, 987, 1010, 1148, 1212, 1230, 1260, 1316, 1410, 1414, 1435, 1476, 1515, 1645, 1692, 1722, 1818, 1845, 1927, 1974, 2020, 2115, 2121, 2460, 2583, 2820, 2828, 2870, 2961, 3030, 3290, 3444, 3535, 3636, 3690, 3854, 3948, 4141, 4230, 4242, 4305, 4545, 4747, 4935, 5166, 5740, 5781, 5922, 6060, 6363, 6580, 7070, 7380, 7708, 8282, 8460, 8484, 8610, 9090, 9494, 9635, 9870, 10332, 10605, 11562, 11844, 12423, 12726, 12915, 13489, 14140, 14241, 14805, 16564, 17220, 17343, 18180, 18988, 19270, 19740, 20705, 21210, 23124, 23735, 24846, 25452, 25830, 26978, 28482, 28905, 28987, 29610, 31815, 33229, 34686, 37269, 38540, 40467, 41410, 42420, 42723, 47470, 49692, 51660, 53956, 56964, 57810, 57974, 59220, 62115, 63630, 66458, 67445, 69372, 71205, 74538, 80934, 82820, 85446, 86715, 86961, 94940, 99687, 115620, 115948, 121401, 124230, 127260, 132916, 134890, 142410, 144935, 149076, 161868, 166145, 170892, 173430, 173922, 186345, 194627, 199374, 202335, 213615, 242802, 248460, 260883, 269780, 284820, 289870, 299061, 332290, 346860, 347844, 372690, 389254, 398748, 404670, 427230, 434805, 485604, 498435, 521766, 579740, 583881, 598122, 607005, 664580, 745380, 778508, 809340, 854460, 869610, 973135, 996870, 1043532, 1167762, 1196244, 1214010, 1304415, 1362389, 1495305, 1739220, 1751643, 1946270, 1993740, 2335524, 2428020, 2608830, 2724778, 2919405, 2990610, 3503286, 3892540, 4087167, 5217660, 5449556, 5838810, 5981220, 6811945, 7006572, 8174334, 8758215, 11677620, 12261501, 13623890, 16348668, 17516430, 20435835, 24523002, 27247780, 35032860, 40871670, 49046004, 61307505, 81743340, 122615010, 245230020]

約数ペア:

[(1, 245230020), (2, 122615010), (3, 81743340), (4, 61307505), (5, 49046004), (6, 40871670), (7, 35032860), (9, 27247780), (10, 24523002), (12, 20435835), (14, 17516430), (15, 16348668), (18, 13623890), (20, 12261501), (21, 11677620), (28, 8758215), (30, 8174334), (35, 7006572), (36, 6811945), (41, 5981220), (42, 5838810), (45, 5449556), (47, 5217660), (60, 4087167), (63, 3892540), (70, 3503286), (82, 2990610), (84, 2919405), (90, 2724778), (94, 2608830), (101, 2428020), (105, 2335524), (123, 1993740), (126, 1946270), (140, 1751643), (141, 1739220), (164, 1495305), (180, 1362389), (188, 1304415), (202, 1214010), (205, 1196244), (210, 1167762), (235, 1043532), (246, 996870), (252, 973135), (282, 869610), (287, 854460), (303, 809340), (315, 778508), (329, 745380), (369, 664580), (404, 607005), (410, 598122), (420, 583881), (423, 579740), (470, 521766), (492, 498435), (505, 485604), (564, 434805), (574, 427230), (606, 404670), (615, 398748), (630, 389254), (658, 372690), (705, 347844), (707, 346860), (738, 332290), (820, 299061), (846, 289870), (861, 284820), (909, 269780), (940, 260883), (987, 248460), (1010, 242802), (1148, 213615), (1212, 202335), (1230, 199374), (1260, 194627), (1316, 186345), (1410, 173922), (1414, 173430), (1435, 170892), (1476, 166145), (1515, 161868), (1645, 149076), (1692, 144935), (1722, 142410), (1818, 134890), (1845, 132916), (1927, 127260), (1974, 124230), (2020, 121401), (2115, 115948), (2121, 115620), (2460, 99687), (2583, 94940), (2820, 86961), (2828, 86715), (2870, 85446), (2961, 82820), (3030, 80934), (3290, 74538), (3444, 71205), (3535, 69372), (3636, 67445), (3690, 66458), (3854, 63630), (3948, 62115), (4141, 59220), (4230, 57974), (4242, 57810), (4305, 56964), (4545, 53956), (4747, 51660), (4935, 49692), (5166, 47470), (5740, 42723), (5781, 42420), (5922, 41410), (6060, 40467), (6363, 38540), (6580, 37269), (7070, 34686), (7380, 33229), (7708, 31815), (8282, 29610), (8460, 28987), (8484, 28905), (8610, 28482), (9090, 26978), (9494, 25830), (9635, 25452), (9870, 24846), (10332, 23735), (10605, 23124), (11562, 21210), (11844, 20705), (12423, 19740), (12726, 19270), (12915, 18988), (13489, 18180), (14140, 17343), (14241, 17220), (14805, 16564)]