866750080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:215

約数の個数: 192

約数和(自身を含む): 2475809280

約数和(自身を除く): 1609059200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 79, 80, 112, 124, 128, 140, 155, 158, 160, 217, 224, 248, 280, 310, 316, 320, 395, 434, 448, 496, 553, 560, 620, 632, 640, 790, 868, 896, 992, 1085, 1106, 1120, 1240, 1264, 1580, 1736, 1984, 2170, 2212, 2240, 2449, 2480, 2528, 2765, 3160, 3472, 3968, 4340, 4424, 4480, 4898, 4960, 5056, 5530, 6241, 6320, 6944, 8680, 8848, 9796, 9920, 10112, 11060, 12245, 12482, 12640, 13888, 17143, 17360, 17696, 19592, 19840, 22120, 24490, 24964, 25280, 27776, 31205, 34286, 34720, 35392, 39184, 43687, 44240, 48980, 49928, 50560, 62410, 68572, 69440, 70784, 78368, 85715, 87374, 88480, 97960, 99856, 124820, 137144, 138880, 156736, 171430, 174748, 176960, 193471, 195920, 199712, 218435, 249640, 274288, 313472, 342860, 349496, 353920, 386942, 391840, 399424, 436870, 499280, 548576, 685720, 698992, 773884, 783680, 798848, 873740, 967355, 998560, 1097152, 1354297, 1371440, 1397984, 1547768, 1567360, 1747480, 1934710, 1997120, 2194304, 2708594, 2742880, 2795968, 3095536, 3494960, 3869420, 3994240, 5417188, 5485760, 5591936, 6191072, 6771485, 6989920, 7738840, 10834376, 10971520, 12382144, 13542970, 13979840, 15477680, 21668752, 24764288, 27085940, 27959680, 30955360, 43337504, 54171880, 61910720, 86675008, 108343760, 123821440, 173350016, 216687520, 433375040, 866750080]

約数ペア:

[(1, 866750080), (2, 433375040), (4, 216687520), (5, 173350016), (7, 123821440), (8, 108343760), (10, 86675008), (14, 61910720), (16, 54171880), (20, 43337504), (28, 30955360), (31, 27959680), (32, 27085940), (35, 24764288), (40, 21668752), (56, 15477680), (62, 13979840), (64, 13542970), (70, 12382144), (79, 10971520), (80, 10834376), (112, 7738840), (124, 6989920), (128, 6771485), (140, 6191072), (155, 5591936), (158, 5485760), (160, 5417188), (217, 3994240), (224, 3869420), (248, 3494960), (280, 3095536), (310, 2795968), (316, 2742880), (320, 2708594), (395, 2194304), (434, 1997120), (448, 1934710), (496, 1747480), (553, 1567360), (560, 1547768), (620, 1397984), (632, 1371440), (640, 1354297), (790, 1097152), (868, 998560), (896, 967355), (992, 873740), (1085, 798848), (1106, 783680), (1120, 773884), (1240, 698992), (1264, 685720), (1580, 548576), (1736, 499280), (1984, 436870), (2170, 399424), (2212, 391840), (2240, 386942), (2449, 353920), (2480, 349496), (2528, 342860), (2765, 313472), (3160, 274288), (3472, 249640), (3968, 218435), (4340, 199712), (4424, 195920), (4480, 193471), (4898, 176960), (4960, 174748), (5056, 171430), (5530, 156736), (6241, 138880), (6320, 137144), (6944, 124820), (8680, 99856), (8848, 97960), (9796, 88480), (9920, 87374), (10112, 85715), (11060, 78368), (12245, 70784), (12482, 69440), (12640, 68572), (13888, 62410), (17143, 50560), (17360, 49928), (17696, 48980), (19592, 44240), (19840, 43687), (22120, 39184), (24490, 35392), (24964, 34720), (25280, 34286), (27776, 31205)]