243736920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^2$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 908228880

約数和(自身を除く): 664491960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 311, 315, 360, 420, 504, 622, 630, 840, 933, 1244, 1260, 1555, 1866, 2177, 2488, 2520, 2799, 3110, 3732, 4354, 4665, 5598, 6220, 6531, 7464, 8708, 9330, 10885, 11196, 12440, 13062, 13995, 17416, 18660, 19593, 21770, 22392, 26124, 27990, 32655, 37320, 39186, 43540, 52248, 55980, 65310, 78372, 87080, 96721, 97965, 111960, 130620, 156744, 193442, 195930, 261240, 290163, 386884, 391860, 483605, 580326, 677047, 773768, 783720, 870489, 967210, 1160652, 1354094, 1450815, 1740978, 1934420, 2031141, 2321304, 2708188, 2901630, 3385235, 3481956, 3868840, 4062282, 4352445, 5416376, 5803260, 6093423, 6770470, 6963912, 8124564, 8704890, 10155705, 11606520, 12186846, 13540940, 16249128, 17409780, 20311410, 24373692, 27081880, 30467115, 34819560, 40622820, 48747384, 60934230, 81245640, 121868460, 243736920]

約数ペア:

[(1, 243736920), (2, 121868460), (3, 81245640), (4, 60934230), (5, 48747384), (6, 40622820), (7, 34819560), (8, 30467115), (9, 27081880), (10, 24373692), (12, 20311410), (14, 17409780), (15, 16249128), (18, 13540940), (20, 12186846), (21, 11606520), (24, 10155705), (28, 8704890), (30, 8124564), (35, 6963912), (36, 6770470), (40, 6093423), (42, 5803260), (45, 5416376), (56, 4352445), (60, 4062282), (63, 3868840), (70, 3481956), (72, 3385235), (84, 2901630), (90, 2708188), (105, 2321304), (120, 2031141), (126, 1934420), (140, 1740978), (168, 1450815), (180, 1354094), (210, 1160652), (252, 967210), (280, 870489), (311, 783720), (315, 773768), (360, 677047), (420, 580326), (504, 483605), (622, 391860), (630, 386884), (840, 290163), (933, 261240), (1244, 195930), (1260, 193442), (1555, 156744), (1866, 130620), (2177, 111960), (2488, 97965), (2520, 96721), (2799, 87080), (3110, 78372), (3732, 65310), (4354, 55980), (4665, 52248), (5598, 43540), (6220, 39186), (6531, 37320), (7464, 32655), (8708, 27990), (9330, 26124), (10885, 22392), (11196, 21770), (12440, 19593), (13062, 18660), (13995, 17416)]