18830070

素因数分解:

$2^1\times 3^8\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 59518368

約数和(自身を除く): 40688298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 81, 82, 90, 105, 123, 126, 135, 162, 189, 205, 210, 243, 246, 270, 287, 315, 369, 378, 405, 410, 486, 567, 574, 615, 630, 729, 738, 810, 861, 945, 1107, 1134, 1215, 1230, 1435, 1458, 1701, 1722, 1845, 1890, 2187, 2214, 2430, 2583, 2835, 2870, 3321, 3402, 3645, 3690, 4305, 4374, 5103, 5166, 5535, 5670, 6561, 6642, 7290, 7749, 8505, 8610, 9963, 10206, 10935, 11070, 12915, 13122, 15309, 15498, 16605, 17010, 19926, 21870, 23247, 25515, 25830, 29889, 30618, 32805, 33210, 38745, 45927, 46494, 49815, 51030, 59778, 65610, 69741, 76545, 77490, 89667, 91854, 99630, 116235, 139482, 149445, 153090, 179334, 209223, 229635, 232470, 269001, 298890, 348705, 418446, 448335, 459270, 538002, 627669, 697410, 896670, 1046115, 1255338, 1345005, 1883007, 2092230, 2690010, 3138345, 3766014, 6276690, 9415035, 18830070]

約数ペア:

[(1, 18830070), (2, 9415035), (3, 6276690), (5, 3766014), (6, 3138345), (7, 2690010), (9, 2092230), (10, 1883007), (14, 1345005), (15, 1255338), (18, 1046115), (21, 896670), (27, 697410), (30, 627669), (35, 538002), (41, 459270), (42, 448335), (45, 418446), (54, 348705), (63, 298890), (70, 269001), (81, 232470), (82, 229635), (90, 209223), (105, 179334), (123, 153090), (126, 149445), (135, 139482), (162, 116235), (189, 99630), (205, 91854), (210, 89667), (243, 77490), (246, 76545), (270, 69741), (287, 65610), (315, 59778), (369, 51030), (378, 49815), (405, 46494), (410, 45927), (486, 38745), (567, 33210), (574, 32805), (615, 30618), (630, 29889), (729, 25830), (738, 25515), (810, 23247), (861, 21870), (945, 19926), (1107, 17010), (1134, 16605), (1215, 15498), (1230, 15309), (1435, 13122), (1458, 12915), (1701, 11070), (1722, 10935), (1845, 10206), (1890, 9963), (2187, 8610), (2214, 8505), (2430, 7749), (2583, 7290), (2835, 6642), (2870, 6561), (3321, 5670), (3402, 5535), (3645, 5166), (3690, 5103), (4305, 4374)]