291371640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{7079}}^1$

素因数の和:7114

約数の個数: 128

約数和(自身を含む): 1019520000

約数和(自身を除く): 728148360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 7079, 8232, 10290, 13720, 14158, 20580, 21237, 28316, 35395, 41160, 42474, 49553, 56632, 70790, 84948, 99106, 106185, 141580, 148659, 169896, 198212, 212370, 247765, 283160, 297318, 346871, 396424, 424740, 495530, 594636, 693742, 743295, 849480, 991060, 1040613, 1189272, 1387484, 1486590, 1734355, 1982120, 2081226, 2428097, 2774968, 2973180, 3468710, 4162452, 4856194, 5203065, 5946360, 6937420, 7284291, 8324904, 9712388, 10406130, 12140485, 13874840, 14568582, 19424776, 20812260, 24280970, 29137164, 36421455, 41624520, 48561940, 58274328, 72842910, 97123880, 145685820, 291371640]

約数ペア:

[(1, 291371640), (2, 145685820), (3, 97123880), (4, 72842910), (5, 58274328), (6, 48561940), (7, 41624520), (8, 36421455), (10, 29137164), (12, 24280970), (14, 20812260), (15, 19424776), (20, 14568582), (21, 13874840), (24, 12140485), (28, 10406130), (30, 9712388), (35, 8324904), (40, 7284291), (42, 6937420), (49, 5946360), (56, 5203065), (60, 4856194), (70, 4162452), (84, 3468710), (98, 2973180), (105, 2774968), (120, 2428097), (140, 2081226), (147, 1982120), (168, 1734355), (196, 1486590), (210, 1387484), (245, 1189272), (280, 1040613), (294, 991060), (343, 849480), (392, 743295), (420, 693742), (490, 594636), (588, 495530), (686, 424740), (735, 396424), (840, 346871), (980, 297318), (1029, 283160), (1176, 247765), (1372, 212370), (1470, 198212), (1715, 169896), (1960, 148659), (2058, 141580), (2744, 106185), (2940, 99106), (3430, 84948), (4116, 70790), (5145, 56632), (5880, 49553), (6860, 42474), (7079, 41160), (8232, 35395), (10290, 28316), (13720, 21237), (14158, 20580)]