215944470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2179

約数の個数: 144

約数和(自身を含む): 681838560

約数和(自身を除く): 465894090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 207, 210, 230, 245, 294, 315, 322, 345, 414, 441, 483, 490, 630, 690, 735, 805, 882, 966, 1035, 1127, 1449, 1470, 1610, 2070, 2129, 2205, 2254, 2415, 2898, 3381, 4258, 4410, 4830, 5635, 6387, 6762, 7245, 10143, 10645, 11270, 12774, 14490, 14903, 16905, 19161, 20286, 21290, 29806, 31935, 33810, 38322, 44709, 48967, 50715, 63870, 74515, 89418, 95805, 97934, 101430, 104321, 134127, 146901, 149030, 191610, 208642, 223545, 244835, 268254, 293802, 312963, 342769, 440703, 447090, 489670, 521605, 625926, 670635, 685538, 734505, 881406, 938889, 1028307, 1043210, 1341270, 1469010, 1564815, 1713845, 1877778, 2056614, 2203515, 2399383, 3084921, 3129630, 3427690, 4407030, 4694445, 4798766, 5141535, 6169842, 7198149, 9388890, 10283070, 11996915, 14396298, 15424605, 21594447, 23993830, 30849210, 35990745, 43188894, 71981490, 107972235, 215944470]

約数ペア:

[(1, 215944470), (2, 107972235), (3, 71981490), (5, 43188894), (6, 35990745), (7, 30849210), (9, 23993830), (10, 21594447), (14, 15424605), (15, 14396298), (18, 11996915), (21, 10283070), (23, 9388890), (30, 7198149), (35, 6169842), (42, 5141535), (45, 4798766), (46, 4694445), (49, 4407030), (63, 3427690), (69, 3129630), (70, 3084921), (90, 2399383), (98, 2203515), (105, 2056614), (115, 1877778), (126, 1713845), (138, 1564815), (147, 1469010), (161, 1341270), (207, 1043210), (210, 1028307), (230, 938889), (245, 881406), (294, 734505), (315, 685538), (322, 670635), (345, 625926), (414, 521605), (441, 489670), (483, 447090), (490, 440703), (630, 342769), (690, 312963), (735, 293802), (805, 268254), (882, 244835), (966, 223545), (1035, 208642), (1127, 191610), (1449, 149030), (1470, 146901), (1610, 134127), (2070, 104321), (2129, 101430), (2205, 97934), (2254, 95805), (2415, 89418), (2898, 74515), (3381, 63870), (4258, 50715), (4410, 48967), (4830, 44709), (5635, 38322), (6387, 33810), (6762, 31935), (7245, 29806), (10143, 21290), (10645, 20286), (11270, 19161), (12774, 16905), (14490, 14903)]