16218020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 45581760

約数和(自身を除く): 29363740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 67, 70, 76, 91, 95, 98, 130, 133, 134, 140, 182, 190, 196, 245, 247, 260, 266, 268, 335, 364, 380, 455, 469, 490, 494, 532, 637, 665, 670, 871, 910, 931, 938, 980, 988, 1235, 1273, 1274, 1330, 1340, 1729, 1742, 1820, 1862, 1876, 2345, 2470, 2546, 2548, 2660, 3185, 3283, 3458, 3484, 3724, 4355, 4655, 4690, 4940, 5092, 6097, 6365, 6370, 6566, 6916, 8645, 8710, 8911, 9310, 9380, 12103, 12194, 12730, 12740, 13132, 16415, 16549, 17290, 17420, 17822, 18620, 24206, 24388, 25460, 30485, 32830, 33098, 34580, 35644, 42679, 44555, 48412, 60515, 60970, 62377, 65660, 66196, 82745, 85358, 89110, 115843, 121030, 121940, 124754, 165490, 170716, 178220, 213395, 231686, 242060, 249508, 311885, 330980, 426790, 463372, 579215, 623770, 810901, 853580, 1158430, 1247540, 1621802, 2316860, 3243604, 4054505, 8109010, 16218020]

約数ペア:

[(1, 16218020), (2, 8109010), (4, 4054505), (5, 3243604), (7, 2316860), (10, 1621802), (13, 1247540), (14, 1158430), (19, 853580), (20, 810901), (26, 623770), (28, 579215), (35, 463372), (38, 426790), (49, 330980), (52, 311885), (65, 249508), (67, 242060), (70, 231686), (76, 213395), (91, 178220), (95, 170716), (98, 165490), (130, 124754), (133, 121940), (134, 121030), (140, 115843), (182, 89110), (190, 85358), (196, 82745), (245, 66196), (247, 65660), (260, 62377), (266, 60970), (268, 60515), (335, 48412), (364, 44555), (380, 42679), (455, 35644), (469, 34580), (490, 33098), (494, 32830), (532, 30485), (637, 25460), (665, 24388), (670, 24206), (871, 18620), (910, 17822), (931, 17420), (938, 17290), (980, 16549), (988, 16415), (1235, 13132), (1273, 12740), (1274, 12730), (1330, 12194), (1340, 12103), (1729, 9380), (1742, 9310), (1820, 8911), (1862, 8710), (1876, 8645), (2345, 6916), (2470, 6566), (2546, 6370), (2548, 6365), (2660, 6097), (3185, 5092), (3283, 4940), (3458, 4690), (3484, 4655), (3724, 4355)]