220843980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^5\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 792241632

約数和(自身を除く): 571397652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 73, 84, 90, 98, 105, 126, 140, 146, 147, 180, 196, 210, 219, 245, 252, 292, 294, 315, 343, 365, 420, 438, 441, 490, 511, 588, 630, 657, 686, 730, 735, 876, 882, 980, 1022, 1029, 1095, 1260, 1314, 1372, 1460, 1470, 1533, 1715, 1764, 2044, 2058, 2190, 2205, 2401, 2555, 2628, 2940, 3066, 3087, 3285, 3430, 3577, 4116, 4380, 4410, 4599, 4802, 5110, 5145, 6132, 6174, 6570, 6860, 7154, 7203, 7665, 8820, 9198, 9604, 10220, 10290, 10731, 12005, 12348, 13140, 14308, 14406, 15330, 15435, 16807, 17885, 18396, 20580, 21462, 21609, 22995, 24010, 25039, 28812, 30660, 30870, 32193, 33614, 35770, 36015, 42924, 43218, 45990, 48020, 50078, 50421, 53655, 61740, 64386, 67228, 71540, 72030, 75117, 84035, 86436, 91980, 100156, 100842, 107310, 108045, 125195, 128772, 144060, 150234, 151263, 160965, 168070, 175273, 201684, 214620, 216090, 225351, 250390, 252105, 300468, 302526, 321930, 336140, 350546, 375585, 432180, 450702, 500780, 504210, 525819, 605052, 643860, 701092, 751170, 756315, 876365, 901404, 1008420, 1051638, 1126755, 1226911, 1502340, 1512630, 1577457, 1752730, 2103276, 2253510, 2453822, 2629095, 3025260, 3154914, 3505460, 3680733, 4507020, 4907644, 5258190, 6134555, 6309828, 7361466, 7887285, 10516380, 11042199, 12269110, 14722932, 15774570, 18403665, 22084398, 24538220, 31549140, 36807330, 44168796, 55210995, 73614660, 110421990, 220843980]

約数ペア:

[(1, 220843980), (2, 110421990), (3, 73614660), (4, 55210995), (5, 44168796), (6, 36807330), (7, 31549140), (9, 24538220), (10, 22084398), (12, 18403665), (14, 15774570), (15, 14722932), (18, 12269110), (20, 11042199), (21, 10516380), (28, 7887285), (30, 7361466), (35, 6309828), (36, 6134555), (42, 5258190), (45, 4907644), (49, 4507020), (60, 3680733), (63, 3505460), (70, 3154914), (73, 3025260), (84, 2629095), (90, 2453822), (98, 2253510), (105, 2103276), (126, 1752730), (140, 1577457), (146, 1512630), (147, 1502340), (180, 1226911), (196, 1126755), (210, 1051638), (219, 1008420), (245, 901404), (252, 876365), (292, 756315), (294, 751170), (315, 701092), (343, 643860), (365, 605052), (420, 525819), (438, 504210), (441, 500780), (490, 450702), (511, 432180), (588, 375585), (630, 350546), (657, 336140), (686, 321930), (730, 302526), (735, 300468), (876, 252105), (882, 250390), (980, 225351), (1022, 216090), (1029, 214620), (1095, 201684), (1260, 175273), (1314, 168070), (1372, 160965), (1460, 151263), (1470, 150234), (1533, 144060), (1715, 128772), (1764, 125195), (2044, 108045), (2058, 107310), (2190, 100842), (2205, 100156), (2401, 91980), (2555, 86436), (2628, 84035), (2940, 75117), (3066, 72030), (3087, 71540), (3285, 67228), (3430, 64386), (3577, 61740), (4116, 53655), (4380, 50421), (4410, 50078), (4599, 48020), (4802, 45990), (5110, 43218), (5145, 42924), (6132, 36015), (6174, 35770), (6570, 33614), (6860, 32193), (7154, 30870), (7203, 30660), (7665, 28812), (8820, 25039), (9198, 24010), (9604, 22995), (10220, 21609), (10290, 21462), (10731, 20580), (12005, 18396), (12348, 17885), (13140, 16807), (14308, 15435), (14406, 15330)]