221277180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 634798080

約数和(自身を除く): 413520900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 127, 142, 213, 254, 284, 355, 381, 409, 426, 508, 635, 710, 762, 818, 852, 1065, 1227, 1270, 1420, 1524, 1636, 1905, 2045, 2130, 2454, 2540, 3810, 4090, 4260, 4908, 6135, 7620, 8180, 9017, 12270, 18034, 24540, 27051, 29039, 36068, 45085, 51943, 54102, 58078, 87117, 90170, 103886, 108204, 116156, 135255, 145195, 155829, 174234, 180340, 207772, 259715, 270510, 290390, 311658, 348468, 435585, 519430, 541020, 580780, 623316, 779145, 871170, 1038860, 1558290, 1742340, 3116580, 3687953, 7375906, 11063859, 14751812, 18439765, 22127718, 36879530, 44255436, 55319295, 73759060, 110638590, 221277180]

約数ペア:

[(1, 221277180), (2, 110638590), (3, 73759060), (4, 55319295), (5, 44255436), (6, 36879530), (10, 22127718), (12, 18439765), (15, 14751812), (20, 11063859), (30, 7375906), (60, 3687953), (71, 3116580), (127, 1742340), (142, 1558290), (213, 1038860), (254, 871170), (284, 779145), (355, 623316), (381, 580780), (409, 541020), (426, 519430), (508, 435585), (635, 348468), (710, 311658), (762, 290390), (818, 270510), (852, 259715), (1065, 207772), (1227, 180340), (1270, 174234), (1420, 155829), (1524, 145195), (1636, 135255), (1905, 116156), (2045, 108204), (2130, 103886), (2454, 90170), (2540, 87117), (3810, 58078), (4090, 54102), (4260, 51943), (4908, 45085), (6135, 36068), (7620, 29039), (8180, 27051), (9017, 24540), (12270, 18034)]