81475260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 235109952

約数和(自身を除く): 153634692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 113, 122, 183, 197, 226, 244, 305, 339, 366, 394, 452, 565, 591, 610, 678, 732, 788, 915, 985, 1130, 1182, 1220, 1356, 1695, 1830, 1970, 2260, 2364, 2955, 3390, 3660, 3940, 5910, 6780, 6893, 11820, 12017, 13786, 20679, 22261, 24034, 27572, 34465, 36051, 41358, 44522, 48068, 60085, 66783, 68930, 72102, 82716, 89044, 103395, 111305, 120170, 133566, 137860, 144204, 180255, 206790, 222610, 240340, 267132, 333915, 360510, 413580, 445220, 667830, 721020, 1335660, 1357921, 2715842, 4073763, 5431684, 6789605, 8147526, 13579210, 16295052, 20368815, 27158420, 40737630, 81475260]

約数ペア:

[(1, 81475260), (2, 40737630), (3, 27158420), (4, 20368815), (5, 16295052), (6, 13579210), (10, 8147526), (12, 6789605), (15, 5431684), (20, 4073763), (30, 2715842), (60, 1357921), (61, 1335660), (113, 721020), (122, 667830), (183, 445220), (197, 413580), (226, 360510), (244, 333915), (305, 267132), (339, 240340), (366, 222610), (394, 206790), (452, 180255), (565, 144204), (591, 137860), (610, 133566), (678, 120170), (732, 111305), (788, 103395), (915, 89044), (985, 82716), (1130, 72102), (1182, 68930), (1220, 66783), (1356, 60085), (1695, 48068), (1830, 44522), (1970, 41358), (2260, 36051), (2364, 34465), (2955, 27572), (3390, 24034), (3660, 22261), (3940, 20679), (5910, 13786), (6780, 12017), (6893, 11820)]