253860240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 821376000

約数和(自身を除く): 567515760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 149, 155, 186, 229, 240, 248, 298, 310, 372, 447, 458, 465, 496, 596, 620, 687, 744, 745, 894, 916, 930, 1145, 1192, 1240, 1374, 1488, 1490, 1788, 1832, 1860, 2235, 2290, 2384, 2480, 2748, 2980, 3435, 3576, 3664, 3720, 4470, 4580, 4619, 5496, 5960, 6870, 7099, 7152, 7440, 8940, 9160, 9238, 10992, 11920, 13740, 13857, 14198, 17880, 18320, 18476, 21297, 23095, 27480, 27714, 28396, 34121, 35495, 35760, 36952, 42594, 46190, 54960, 55428, 56792, 68242, 69285, 70990, 73904, 85188, 92380, 102363, 106485, 110856, 113584, 136484, 138570, 141980, 170376, 170605, 184760, 204726, 212970, 221712, 272968, 277140, 283960, 340752, 341210, 369520, 409452, 425940, 511815, 545936, 554280, 567920, 682420, 818904, 851880, 1023630, 1057751, 1108560, 1364840, 1637808, 1703760, 2047260, 2115502, 2729680, 3173253, 4094520, 4231004, 5288755, 6346506, 8189040, 8462008, 10577510, 12693012, 15866265, 16924016, 21155020, 25386024, 31732530, 42310040, 50772048, 63465060, 84620080, 126930120, 253860240]

約数ペア:

[(1, 253860240), (2, 126930120), (3, 84620080), (4, 63465060), (5, 50772048), (6, 42310040), (8, 31732530), (10, 25386024), (12, 21155020), (15, 16924016), (16, 15866265), (20, 12693012), (24, 10577510), (30, 8462008), (31, 8189040), (40, 6346506), (48, 5288755), (60, 4231004), (62, 4094520), (80, 3173253), (93, 2729680), (120, 2115502), (124, 2047260), (149, 1703760), (155, 1637808), (186, 1364840), (229, 1108560), (240, 1057751), (248, 1023630), (298, 851880), (310, 818904), (372, 682420), (447, 567920), (458, 554280), (465, 545936), (496, 511815), (596, 425940), (620, 409452), (687, 369520), (744, 341210), (745, 340752), (894, 283960), (916, 277140), (930, 272968), (1145, 221712), (1192, 212970), (1240, 204726), (1374, 184760), (1488, 170605), (1490, 170376), (1788, 141980), (1832, 138570), (1860, 136484), (2235, 113584), (2290, 110856), (2384, 106485), (2480, 102363), (2748, 92380), (2980, 85188), (3435, 73904), (3576, 70990), (3664, 69285), (3720, 68242), (4470, 56792), (4580, 55428), (4619, 54960), (5496, 46190), (5960, 42594), (6870, 36952), (7099, 35760), (7152, 35495), (7440, 34121), (8940, 28396), (9160, 27714), (9238, 27480), (10992, 23095), (11920, 21297), (13740, 18476), (13857, 18320), (14198, 17880)]