87281880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3583}}^1$

素因数の和:3633

約数の個数: 128

約数和(自身を含む): 309657600

約数和(自身を除く): 222375720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3480, 3583, 4060, 4872, 6090, 7166, 8120, 10749, 12180, 14332, 17915, 21498, 24360, 25081, 28664, 35830, 42996, 50162, 53745, 71660, 75243, 85992, 100324, 103907, 107490, 125405, 143320, 150486, 200648, 207814, 214980, 250810, 300972, 311721, 376215, 415628, 429960, 501620, 519535, 601944, 623442, 727349, 752430, 831256, 1003240, 1039070, 1246884, 1454698, 1504860, 1558605, 2078140, 2182047, 2493768, 2909396, 3009720, 3117210, 3636745, 4156280, 4364094, 5818792, 6234420, 7273490, 8728188, 10910235, 12468840, 14546980, 17456376, 21820470, 29093960, 43640940, 87281880]

約数ペア:

[(1, 87281880), (2, 43640940), (3, 29093960), (4, 21820470), (5, 17456376), (6, 14546980), (7, 12468840), (8, 10910235), (10, 8728188), (12, 7273490), (14, 6234420), (15, 5818792), (20, 4364094), (21, 4156280), (24, 3636745), (28, 3117210), (29, 3009720), (30, 2909396), (35, 2493768), (40, 2182047), (42, 2078140), (56, 1558605), (58, 1504860), (60, 1454698), (70, 1246884), (84, 1039070), (87, 1003240), (105, 831256), (116, 752430), (120, 727349), (140, 623442), (145, 601944), (168, 519535), (174, 501620), (203, 429960), (210, 415628), (232, 376215), (280, 311721), (290, 300972), (348, 250810), (406, 214980), (420, 207814), (435, 200648), (580, 150486), (609, 143320), (696, 125405), (812, 107490), (840, 103907), (870, 100324), (1015, 85992), (1160, 75243), (1218, 71660), (1624, 53745), (1740, 50162), (2030, 42996), (2436, 35830), (3045, 28664), (3480, 25081), (3583, 24360), (4060, 21498), (4872, 17915), (6090, 14332), (7166, 12180), (8120, 10749)]