30711870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 96763680

約数和(自身を除く): 66051810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 41, 42, 45, 58, 63, 70, 82, 87, 90, 105, 123, 126, 145, 174, 203, 205, 210, 246, 261, 287, 290, 315, 369, 406, 410, 435, 522, 574, 609, 615, 630, 738, 861, 870, 1015, 1189, 1218, 1230, 1305, 1435, 1681, 1722, 1827, 1845, 2030, 2378, 2583, 2610, 2870, 3045, 3362, 3567, 3654, 3690, 4305, 5043, 5166, 5945, 6090, 7134, 8323, 8405, 8610, 9135, 10086, 10701, 11767, 11890, 12915, 15129, 16646, 16810, 17835, 18270, 21402, 23534, 24969, 25215, 25830, 30258, 35301, 35670, 41615, 48749, 49938, 50430, 53505, 58835, 70602, 74907, 75645, 83230, 97498, 105903, 107010, 117670, 124845, 146247, 149814, 151290, 176505, 211806, 243745, 249690, 292494, 341243, 353010, 374535, 438741, 487490, 529515, 682486, 731235, 749070, 877482, 1023729, 1059030, 1462470, 1706215, 2047458, 2193705, 3071187, 3412430, 4387410, 5118645, 6142374, 10237290, 15355935, 30711870]

約数ペア:

[(1, 30711870), (2, 15355935), (3, 10237290), (5, 6142374), (6, 5118645), (7, 4387410), (9, 3412430), (10, 3071187), (14, 2193705), (15, 2047458), (18, 1706215), (21, 1462470), (29, 1059030), (30, 1023729), (35, 877482), (41, 749070), (42, 731235), (45, 682486), (58, 529515), (63, 487490), (70, 438741), (82, 374535), (87, 353010), (90, 341243), (105, 292494), (123, 249690), (126, 243745), (145, 211806), (174, 176505), (203, 151290), (205, 149814), (210, 146247), (246, 124845), (261, 117670), (287, 107010), (290, 105903), (315, 97498), (369, 83230), (406, 75645), (410, 74907), (435, 70602), (522, 58835), (574, 53505), (609, 50430), (615, 49938), (630, 48749), (738, 41615), (861, 35670), (870, 35301), (1015, 30258), (1189, 25830), (1218, 25215), (1230, 24969), (1305, 23534), (1435, 21402), (1681, 18270), (1722, 17835), (1827, 16810), (1845, 16646), (2030, 15129), (2378, 12915), (2583, 11890), (2610, 11767), (2870, 10701), (3045, 10086), (3362, 9135), (3567, 8610), (3654, 8405), (3690, 8323), (4305, 7134), (5043, 6090), (5166, 5945)]