68906320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4243}}^1$

素因数の和:4292

約数の個数: 80

約数和(自身を含む): 189452160

約数和(自身を除く): 120545840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4243, 8120, 8486, 16240, 16972, 21215, 29701, 33944, 42430, 59402, 67888, 84860, 118804, 123047, 148505, 169720, 237608, 246094, 297010, 339440, 475216, 492188, 594020, 615235, 861329, 984376, 1188040, 1230470, 1722658, 1968752, 2376080, 2460940, 3445316, 4306645, 4921880, 6890632, 8613290, 9843760, 13781264, 17226580, 34453160, 68906320]

約数ペア:

[(1, 68906320), (2, 34453160), (4, 17226580), (5, 13781264), (7, 9843760), (8, 8613290), (10, 6890632), (14, 4921880), (16, 4306645), (20, 3445316), (28, 2460940), (29, 2376080), (35, 1968752), (40, 1722658), (56, 1230470), (58, 1188040), (70, 984376), (80, 861329), (112, 615235), (116, 594020), (140, 492188), (145, 475216), (203, 339440), (232, 297010), (280, 246094), (290, 237608), (406, 169720), (464, 148505), (560, 123047), (580, 118804), (812, 84860), (1015, 67888), (1160, 59402), (1624, 42430), (2030, 33944), (2320, 29701), (3248, 21215), (4060, 16972), (4243, 16240), (8120, 8486)]