19800806130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{2297}}^1\times {\mathrm{4561}}^1$

素因数の和:6881

約数の個数: 128

約数和(自身を含む): 60384821760

約数和(自身を除く): 40584015630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 2297, 4561, 4594, 6891, 9122, 11485, 13683, 13782, 16079, 20673, 22805, 22970, 27366, 31927, 32158, 34455, 41049, 41346, 45610, 48237, 62019, 63854, 68415, 68910, 80395, 82098, 95781, 96474, 103365, 123147, 124038, 136830, 144711, 159635, 160790, 191562, 205245, 206730, 241185, 246294, 287343, 289422, 310095, 319270, 410490, 434133, 478905, 482370, 574686, 615735, 620190, 723555, 862029, 868266, 957810, 1231470, 1436715, 1447110, 1724058, 2170665, 2873430, 4310145, 4341330, 8620290, 10476617, 20953234, 31429851, 52383085, 62859702, 73336319, 94289553, 104766170, 146672638, 157149255, 188579106, 220008957, 282868659, 314298510, 366681595, 440017914, 471447765, 565737318, 660026871, 733363190, 942895530, 1100044785, 1320053742, 1414343295, 1980080613, 2200089570, 2828686590, 3300134355, 3960161226, 6600268710, 9900403065, 19800806130]

約数ペア:

[(1, 19800806130), (2, 9900403065), (3, 6600268710), (5, 3960161226), (6, 3300134355), (7, 2828686590), (9, 2200089570), (10, 1980080613), (14, 1414343295), (15, 1320053742), (18, 1100044785), (21, 942895530), (27, 733363190), (30, 660026871), (35, 565737318), (42, 471447765), (45, 440017914), (54, 366681595), (63, 314298510), (70, 282868659), (90, 220008957), (105, 188579106), (126, 157149255), (135, 146672638), (189, 104766170), (210, 94289553), (270, 73336319), (315, 62859702), (378, 52383085), (630, 31429851), (945, 20953234), (1890, 10476617), (2297, 8620290), (4561, 4341330), (4594, 4310145), (6891, 2873430), (9122, 2170665), (11485, 1724058), (13683, 1447110), (13782, 1436715), (16079, 1231470), (20673, 957810), (22805, 868266), (22970, 862029), (27366, 723555), (31927, 620190), (32158, 615735), (34455, 574686), (41049, 482370), (41346, 478905), (45610, 434133), (48237, 410490), (62019, 319270), (63854, 310095), (68415, 289422), (68910, 287343), (80395, 246294), (82098, 241185), (95781, 206730), (96474, 205245), (103365, 191562), (123147, 160790), (124038, 159635), (136830, 144711)]