131655780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 416215800

約数和(自身を除く): 284560020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 270, 324, 362, 405, 449, 540, 543, 724, 810, 898, 905, 1086, 1347, 1620, 1629, 1796, 1810, 2172, 2245, 2694, 2715, 3258, 3620, 4041, 4490, 4887, 5388, 5430, 6516, 6735, 8082, 8145, 8980, 9774, 10860, 12123, 13470, 14661, 16164, 16290, 19548, 20205, 24246, 24435, 26940, 29322, 32580, 36369, 40410, 48492, 48870, 58644, 60615, 72738, 73305, 80820, 81269, 97740, 121230, 145476, 146610, 162538, 181845, 242460, 243807, 293220, 325076, 363690, 406345, 487614, 727380, 731421, 812690, 975228, 1219035, 1462842, 1625380, 2194263, 2438070, 2925684, 3657105, 4388526, 4876140, 6582789, 7314210, 8777052, 10971315, 13165578, 14628420, 21942630, 26331156, 32913945, 43885260, 65827890, 131655780]

約数ペア:

[(1, 131655780), (2, 65827890), (3, 43885260), (4, 32913945), (5, 26331156), (6, 21942630), (9, 14628420), (10, 13165578), (12, 10971315), (15, 8777052), (18, 7314210), (20, 6582789), (27, 4876140), (30, 4388526), (36, 3657105), (45, 2925684), (54, 2438070), (60, 2194263), (81, 1625380), (90, 1462842), (108, 1219035), (135, 975228), (162, 812690), (180, 731421), (181, 727380), (270, 487614), (324, 406345), (362, 363690), (405, 325076), (449, 293220), (540, 243807), (543, 242460), (724, 181845), (810, 162538), (898, 146610), (905, 145476), (1086, 121230), (1347, 97740), (1620, 81269), (1629, 80820), (1796, 73305), (1810, 72738), (2172, 60615), (2245, 58644), (2694, 48870), (2715, 48492), (3258, 40410), (3620, 36369), (4041, 32580), (4490, 29322), (4887, 26940), (5388, 24435), (5430, 24246), (6516, 20205), (6735, 19548), (8082, 16290), (8145, 16164), (8980, 14661), (9774, 13470), (10860, 12123)]