321723780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 1066867200

約数和(自身を除く): 745143420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 97, 105, 106, 140, 149, 159, 194, 210, 212, 265, 291, 298, 318, 371, 388, 420, 447, 485, 530, 582, 596, 636, 679, 742, 745, 795, 894, 970, 1043, 1060, 1113, 1164, 1358, 1455, 1484, 1490, 1590, 1788, 1855, 1940, 2037, 2086, 2226, 2235, 2716, 2910, 2980, 3129, 3180, 3395, 3710, 4074, 4172, 4452, 4470, 5141, 5215, 5565, 5820, 6258, 6790, 7420, 7897, 8148, 8940, 10185, 10282, 10430, 11130, 12516, 13580, 14453, 15423, 15645, 15794, 20370, 20564, 20860, 22260, 23691, 25705, 28906, 30846, 31290, 31588, 35987, 39485, 40740, 43359, 47382, 51410, 55279, 57812, 61692, 62580, 71974, 72265, 77115, 78970, 86718, 94764, 101171, 102820, 107961, 110558, 118455, 143948, 144530, 154230, 157940, 165837, 173436, 179935, 202342, 215922, 216795, 221116, 236910, 276395, 289060, 303513, 308460, 331674, 359870, 404684, 431844, 433590, 473820, 505855, 539805, 552790, 607026, 663348, 719740, 766009, 829185, 867180, 1011710, 1079610, 1105580, 1214052, 1517565, 1532018, 1658370, 2023420, 2159220, 2298027, 3035130, 3064036, 3316740, 3830045, 4596054, 5362063, 6070260, 7660090, 9192108, 10724126, 11490135, 15320180, 16086189, 21448252, 22980270, 26810315, 32172378, 45960540, 53620630, 64344756, 80430945, 107241260, 160861890, 321723780]

約数ペア:

[(1, 321723780), (2, 160861890), (3, 107241260), (4, 80430945), (5, 64344756), (6, 53620630), (7, 45960540), (10, 32172378), (12, 26810315), (14, 22980270), (15, 21448252), (20, 16086189), (21, 15320180), (28, 11490135), (30, 10724126), (35, 9192108), (42, 7660090), (53, 6070260), (60, 5362063), (70, 4596054), (84, 3830045), (97, 3316740), (105, 3064036), (106, 3035130), (140, 2298027), (149, 2159220), (159, 2023420), (194, 1658370), (210, 1532018), (212, 1517565), (265, 1214052), (291, 1105580), (298, 1079610), (318, 1011710), (371, 867180), (388, 829185), (420, 766009), (447, 719740), (485, 663348), (530, 607026), (582, 552790), (596, 539805), (636, 505855), (679, 473820), (742, 433590), (745, 431844), (795, 404684), (894, 359870), (970, 331674), (1043, 308460), (1060, 303513), (1113, 289060), (1164, 276395), (1358, 236910), (1455, 221116), (1484, 216795), (1490, 215922), (1590, 202342), (1788, 179935), (1855, 173436), (1940, 165837), (2037, 157940), (2086, 154230), (2226, 144530), (2235, 143948), (2716, 118455), (2910, 110558), (2980, 107961), (3129, 102820), (3180, 101171), (3395, 94764), (3710, 86718), (4074, 78970), (4172, 77115), (4452, 72265), (4470, 71974), (5141, 62580), (5215, 61692), (5565, 57812), (5820, 55279), (6258, 51410), (6790, 47382), (7420, 43359), (7897, 40740), (8148, 39485), (8940, 35987), (10185, 31588), (10282, 31290), (10430, 30846), (11130, 28906), (12516, 25705), (13580, 23691), (14453, 22260), (15423, 20860), (15645, 20564), (15794, 20370)]