279100640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 192

約数和(自身を含む): 840792960

約数和(自身を除く): 561692320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 160, 182, 203, 208, 224, 232, 260, 280, 290, 364, 377, 406, 416, 455, 464, 520, 560, 580, 661, 728, 754, 812, 910, 928, 1015, 1040, 1120, 1160, 1322, 1456, 1508, 1624, 1820, 1885, 2030, 2080, 2320, 2639, 2644, 2912, 3016, 3248, 3305, 3640, 3770, 4060, 4627, 4640, 5278, 5288, 6032, 6496, 6610, 7280, 7540, 8120, 8593, 9254, 10556, 10576, 12064, 13195, 13220, 14560, 15080, 16240, 17186, 18508, 19169, 21112, 21152, 23135, 26390, 26440, 30160, 32480, 34372, 37016, 38338, 42224, 42965, 46270, 52780, 52880, 60151, 60320, 68744, 74032, 76676, 84448, 85930, 92540, 95845, 105560, 105760, 120302, 134183, 137488, 148064, 153352, 171860, 185080, 191690, 211120, 240604, 249197, 268366, 274976, 300755, 306704, 343720, 370160, 383380, 422240, 481208, 498394, 536732, 601510, 613408, 670915, 687440, 740320, 766760, 962416, 996788, 1073464, 1203020, 1245985, 1341830, 1374880, 1533520, 1744379, 1924832, 1993576, 2146928, 2406040, 2491970, 2683660, 3067040, 3488758, 3987152, 4293856, 4812080, 4983940, 5367320, 6977516, 7974304, 8721895, 9624160, 9967880, 10734640, 13955032, 17443790, 19935760, 21469280, 27910064, 34887580, 39871520, 55820128, 69775160, 139550320, 279100640]

約数ペア:

[(1, 279100640), (2, 139550320), (4, 69775160), (5, 55820128), (7, 39871520), (8, 34887580), (10, 27910064), (13, 21469280), (14, 19935760), (16, 17443790), (20, 13955032), (26, 10734640), (28, 9967880), (29, 9624160), (32, 8721895), (35, 7974304), (40, 6977516), (52, 5367320), (56, 4983940), (58, 4812080), (65, 4293856), (70, 3987152), (80, 3488758), (91, 3067040), (104, 2683660), (112, 2491970), (116, 2406040), (130, 2146928), (140, 1993576), (145, 1924832), (160, 1744379), (182, 1533520), (203, 1374880), (208, 1341830), (224, 1245985), (232, 1203020), (260, 1073464), (280, 996788), (290, 962416), (364, 766760), (377, 740320), (406, 687440), (416, 670915), (455, 613408), (464, 601510), (520, 536732), (560, 498394), (580, 481208), (661, 422240), (728, 383380), (754, 370160), (812, 343720), (910, 306704), (928, 300755), (1015, 274976), (1040, 268366), (1120, 249197), (1160, 240604), (1322, 211120), (1456, 191690), (1508, 185080), (1624, 171860), (1820, 153352), (1885, 148064), (2030, 137488), (2080, 134183), (2320, 120302), (2639, 105760), (2644, 105560), (2912, 95845), (3016, 92540), (3248, 85930), (3305, 84448), (3640, 76676), (3770, 74032), (4060, 68744), (4627, 60320), (4640, 60151), (5278, 52880), (5288, 52780), (6032, 46270), (6496, 42965), (6610, 42224), (7280, 38338), (7540, 37016), (8120, 34372), (8593, 32480), (9254, 30160), (10556, 26440), (10576, 26390), (12064, 23135), (13195, 21152), (13220, 21112), (14560, 19169), (15080, 18508), (16240, 17186)]