1851004080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{36209}}^1$

素因数の和:36299

約数の個数: 120

約数和(自身を含む): 6304016160

約数和(自身を除く): 4453012080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 36209, 51120, 72418, 108627, 144836, 181045, 217254, 289672, 325881, 362090, 434508, 543135, 579344, 651762, 724180, 869016, 1086270, 1303524, 1448360, 1629405, 1738032, 2172540, 2570839, 2607048, 2896720, 3258810, 4345080, 5141678, 5214096, 6517620, 7712517, 8690160, 10283356, 12854195, 13035240, 15425034, 20566712, 23137551, 25708390, 26070480, 30850068, 38562585, 41133424, 46275102, 51416780, 61700136, 77125170, 92550204, 102833560, 115687755, 123400272, 154250340, 185100408, 205667120, 231375510, 308500680, 370200816, 462751020, 617001360, 925502040, 1851004080]

約数ペア:

[(1, 1851004080), (2, 925502040), (3, 617001360), (4, 462751020), (5, 370200816), (6, 308500680), (8, 231375510), (9, 205667120), (10, 185100408), (12, 154250340), (15, 123400272), (16, 115687755), (18, 102833560), (20, 92550204), (24, 77125170), (30, 61700136), (36, 51416780), (40, 46275102), (45, 41133424), (48, 38562585), (60, 30850068), (71, 26070480), (72, 25708390), (80, 23137551), (90, 20566712), (120, 15425034), (142, 13035240), (144, 12854195), (180, 10283356), (213, 8690160), (240, 7712517), (284, 6517620), (355, 5214096), (360, 5141678), (426, 4345080), (568, 3258810), (639, 2896720), (710, 2607048), (720, 2570839), (852, 2172540), (1065, 1738032), (1136, 1629405), (1278, 1448360), (1420, 1303524), (1704, 1086270), (2130, 869016), (2556, 724180), (2840, 651762), (3195, 579344), (3408, 543135), (4260, 434508), (5112, 362090), (5680, 325881), (6390, 289672), (8520, 217254), (10224, 181045), (12780, 144836), (17040, 108627), (25560, 72418), (36209, 51120)]