71981490

素因数分解:

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

素因数の和:2176

約数の個数: 96

約数和(自身を含む): 209796480

約数和(自身を除く): 137814990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 294, 322, 345, 483, 490, 690, 735, 805, 966, 1127, 1470, 1610, 2129, 2254, 2415, 3381, 4258, 4830, 5635, 6387, 6762, 10645, 11270, 12774, 14903, 16905, 21290, 29806, 31935, 33810, 44709, 48967, 63870, 74515, 89418, 97934, 104321, 146901, 149030, 208642, 223545, 244835, 293802, 312963, 342769, 447090, 489670, 521605, 625926, 685538, 734505, 1028307, 1043210, 1469010, 1564815, 1713845, 2056614, 2399383, 3129630, 3427690, 4798766, 5141535, 7198149, 10283070, 11996915, 14396298, 23993830, 35990745, 71981490]

約数ペア:

[(1, 71981490), (2, 35990745), (3, 23993830), (5, 14396298), (6, 11996915), (7, 10283070), (10, 7198149), (14, 5141535), (15, 4798766), (21, 3427690), (23, 3129630), (30, 2399383), (35, 2056614), (42, 1713845), (46, 1564815), (49, 1469010), (69, 1043210), (70, 1028307), (98, 734505), (105, 685538), (115, 625926), (138, 521605), (147, 489670), (161, 447090), (210, 342769), (230, 312963), (245, 293802), (294, 244835), (322, 223545), (345, 208642), (483, 149030), (490, 146901), (690, 104321), (735, 97934), (805, 89418), (966, 74515), (1127, 63870), (1470, 48967), (1610, 44709), (2129, 33810), (2254, 31935), (2415, 29806), (3381, 21290), (4258, 16905), (4830, 14903), (5635, 12774), (6387, 11270), (6762, 10645)]