206817960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 641520000

約数和(自身を除く): 434702040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 149, 172, 215, 258, 269, 298, 344, 430, 447, 516, 538, 596, 645, 745, 807, 860, 894, 1032, 1076, 1192, 1290, 1345, 1490, 1614, 1720, 1788, 2152, 2235, 2580, 2690, 2980, 3228, 3576, 4035, 4470, 5160, 5380, 5960, 6407, 6456, 8070, 8940, 10760, 11567, 12814, 16140, 17880, 19221, 23134, 25628, 32035, 32280, 34701, 38442, 40081, 46268, 51256, 57835, 64070, 69402, 76884, 80162, 92536, 96105, 115670, 120243, 128140, 138804, 153768, 160324, 173505, 192210, 200405, 231340, 240486, 256280, 277608, 320648, 347010, 384420, 400810, 462680, 480972, 601215, 694020, 768840, 801620, 961944, 1202430, 1388040, 1603240, 1723483, 2404860, 3446966, 4809720, 5170449, 6893932, 8617415, 10340898, 13787864, 17234830, 20681796, 25852245, 34469660, 41363592, 51704490, 68939320, 103408980, 206817960]

約数ペア:

[(1, 206817960), (2, 103408980), (3, 68939320), (4, 51704490), (5, 41363592), (6, 34469660), (8, 25852245), (10, 20681796), (12, 17234830), (15, 13787864), (20, 10340898), (24, 8617415), (30, 6893932), (40, 5170449), (43, 4809720), (60, 3446966), (86, 2404860), (120, 1723483), (129, 1603240), (149, 1388040), (172, 1202430), (215, 961944), (258, 801620), (269, 768840), (298, 694020), (344, 601215), (430, 480972), (447, 462680), (516, 400810), (538, 384420), (596, 347010), (645, 320648), (745, 277608), (807, 256280), (860, 240486), (894, 231340), (1032, 200405), (1076, 192210), (1192, 173505), (1290, 160324), (1345, 153768), (1490, 138804), (1614, 128140), (1720, 120243), (1788, 115670), (2152, 96105), (2235, 92536), (2580, 80162), (2690, 76884), (2980, 69402), (3228, 64070), (3576, 57835), (4035, 51256), (4470, 46268), (5160, 40081), (5380, 38442), (5960, 34701), (6407, 32280), (6456, 32035), (8070, 25628), (8940, 23134), (10760, 19221), (11567, 17880), (12814, 16140)]