65320020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 120

約数和(自身を含む): 208585608

約数和(自身を除く): 143265588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 661, 732, 810, 915, 1098, 1220, 1322, 1620, 1647, 1830, 1983, 2196, 2644, 2745, 3294, 3305, 3660, 3966, 4941, 5490, 5949, 6588, 6610, 7932, 8235, 9882, 9915, 10980, 11898, 13220, 16470, 17847, 19764, 19830, 23796, 24705, 29745, 32940, 35694, 39660, 40321, 49410, 53541, 59490, 71388, 80642, 89235, 98820, 107082, 118980, 120963, 161284, 178470, 201605, 214164, 241926, 267705, 356940, 362889, 403210, 483852, 535410, 604815, 725778, 806420, 1070820, 1088667, 1209630, 1451556, 1814445, 2177334, 2419260, 3266001, 3628890, 4354668, 5443335, 6532002, 7257780, 10886670, 13064004, 16330005, 21773340, 32660010, 65320020]

約数ペア:

[(1, 65320020), (2, 32660010), (3, 21773340), (4, 16330005), (5, 13064004), (6, 10886670), (9, 7257780), (10, 6532002), (12, 5443335), (15, 4354668), (18, 3628890), (20, 3266001), (27, 2419260), (30, 2177334), (36, 1814445), (45, 1451556), (54, 1209630), (60, 1088667), (61, 1070820), (81, 806420), (90, 725778), (108, 604815), (122, 535410), (135, 483852), (162, 403210), (180, 362889), (183, 356940), (244, 267705), (270, 241926), (305, 214164), (324, 201605), (366, 178470), (405, 161284), (540, 120963), (549, 118980), (610, 107082), (661, 98820), (732, 89235), (810, 80642), (915, 71388), (1098, 59490), (1220, 53541), (1322, 49410), (1620, 40321), (1647, 39660), (1830, 35694), (1983, 32940), (2196, 29745), (2644, 24705), (2745, 23796), (3294, 19830), (3305, 19764), (3660, 17847), (3966, 16470), (4941, 13220), (5490, 11898), (5949, 10980), (6588, 9915), (6610, 9882), (7932, 8235)]