218486580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 686206080

約数和(自身を除く): 467719500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 260, 290, 338, 348, 377, 390, 435, 507, 580, 676, 743, 754, 780, 845, 870, 1014, 1131, 1486, 1508, 1690, 1740, 1885, 2028, 2229, 2262, 2535, 2972, 3380, 3715, 3770, 4458, 4524, 4901, 5070, 5655, 7430, 7540, 8916, 9659, 9802, 10140, 11145, 11310, 14703, 14860, 19318, 19604, 21547, 22290, 22620, 24505, 28977, 29406, 38636, 43094, 44580, 48295, 49010, 57954, 58812, 64641, 73515, 86188, 96590, 98020, 107735, 115908, 125567, 129282, 144885, 147030, 193180, 215470, 251134, 258564, 280111, 289770, 294060, 323205, 376701, 430940, 502268, 560222, 579540, 627835, 646410, 753402, 840333, 1120444, 1255670, 1292820, 1400555, 1506804, 1680666, 1883505, 2511340, 2801110, 3361332, 3641443, 3767010, 4201665, 5602220, 7282886, 7534020, 8403330, 10924329, 14565772, 16806660, 18207215, 21848658, 36414430, 43697316, 54621645, 72828860, 109243290, 218486580]

約数ペア:

[(1, 218486580), (2, 109243290), (3, 72828860), (4, 54621645), (5, 43697316), (6, 36414430), (10, 21848658), (12, 18207215), (13, 16806660), (15, 14565772), (20, 10924329), (26, 8403330), (29, 7534020), (30, 7282886), (39, 5602220), (52, 4201665), (58, 3767010), (60, 3641443), (65, 3361332), (78, 2801110), (87, 2511340), (116, 1883505), (130, 1680666), (145, 1506804), (156, 1400555), (169, 1292820), (174, 1255670), (195, 1120444), (260, 840333), (290, 753402), (338, 646410), (348, 627835), (377, 579540), (390, 560222), (435, 502268), (507, 430940), (580, 376701), (676, 323205), (743, 294060), (754, 289770), (780, 280111), (845, 258564), (870, 251134), (1014, 215470), (1131, 193180), (1486, 147030), (1508, 144885), (1690, 129282), (1740, 125567), (1885, 115908), (2028, 107735), (2229, 98020), (2262, 96590), (2535, 86188), (2972, 73515), (3380, 64641), (3715, 58812), (3770, 57954), (4458, 49010), (4524, 48295), (4901, 44580), (5070, 43094), (5655, 38636), (7430, 29406), (7540, 28977), (8916, 24505), (9659, 22620), (9802, 22290), (10140, 21547), (11145, 19604), (11310, 19318), (14703, 14860)]