281972280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 879667200

約数和(自身を除く): 597694920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 229, 248, 310, 331, 372, 458, 465, 620, 662, 687, 744, 916, 930, 993, 1145, 1240, 1324, 1374, 1655, 1832, 1860, 1986, 2290, 2648, 2748, 3310, 3435, 3720, 3972, 4580, 4965, 5496, 6620, 6870, 7099, 7944, 9160, 9930, 10261, 13240, 13740, 14198, 19860, 20522, 21297, 27480, 28396, 30783, 35495, 39720, 41044, 42594, 51305, 56792, 61566, 70990, 75799, 82088, 85188, 102610, 106485, 123132, 141980, 151598, 153915, 170376, 205220, 212970, 227397, 246264, 283960, 303196, 307830, 378995, 410440, 425940, 454794, 606392, 615660, 757990, 851880, 909588, 1136985, 1231320, 1515980, 1819176, 2273970, 2349769, 3031960, 4547940, 4699538, 7049307, 9095880, 9399076, 11748845, 14098614, 18798152, 23497690, 28197228, 35246535, 46995380, 56394456, 70493070, 93990760, 140986140, 281972280]

約数ペア:

[(1, 281972280), (2, 140986140), (3, 93990760), (4, 70493070), (5, 56394456), (6, 46995380), (8, 35246535), (10, 28197228), (12, 23497690), (15, 18798152), (20, 14098614), (24, 11748845), (30, 9399076), (31, 9095880), (40, 7049307), (60, 4699538), (62, 4547940), (93, 3031960), (120, 2349769), (124, 2273970), (155, 1819176), (186, 1515980), (229, 1231320), (248, 1136985), (310, 909588), (331, 851880), (372, 757990), (458, 615660), (465, 606392), (620, 454794), (662, 425940), (687, 410440), (744, 378995), (916, 307830), (930, 303196), (993, 283960), (1145, 246264), (1240, 227397), (1324, 212970), (1374, 205220), (1655, 170376), (1832, 153915), (1860, 151598), (1986, 141980), (2290, 123132), (2648, 106485), (2748, 102610), (3310, 85188), (3435, 82088), (3720, 75799), (3972, 70990), (4580, 61566), (4965, 56792), (5496, 51305), (6620, 42594), (6870, 41044), (7099, 39720), (7944, 35495), (9160, 30783), (9930, 28396), (10261, 27480), (13240, 21297), (13740, 20522), (14198, 19860)]