168685740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 540277920

約数和(自身を除く): 371592180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 270, 305, 324, 366, 405, 486, 540, 549, 569, 610, 732, 810, 915, 972, 1098, 1138, 1215, 1220, 1620, 1647, 1707, 1830, 2196, 2276, 2430, 2745, 2845, 3294, 3414, 3660, 4860, 4941, 5121, 5490, 5690, 6588, 6828, 8235, 8535, 9882, 10242, 10980, 11380, 14823, 15363, 16470, 17070, 19764, 20484, 24705, 25605, 29646, 30726, 32940, 34140, 34709, 46089, 49410, 51210, 59292, 61452, 69418, 74115, 76815, 92178, 98820, 102420, 104127, 138267, 138836, 148230, 153630, 173545, 184356, 208254, 230445, 276534, 296460, 307260, 312381, 347090, 416508, 460890, 520635, 553068, 624762, 691335, 694180, 921780, 937143, 1041270, 1249524, 1382670, 1561905, 1874286, 2082540, 2765340, 2811429, 3123810, 3748572, 4685715, 5622858, 6247620, 8434287, 9371430, 11245716, 14057145, 16868574, 18742860, 28114290, 33737148, 42171435, 56228580, 84342870, 168685740]

約数ペア:

[(1, 168685740), (2, 84342870), (3, 56228580), (4, 42171435), (5, 33737148), (6, 28114290), (9, 18742860), (10, 16868574), (12, 14057145), (15, 11245716), (18, 9371430), (20, 8434287), (27, 6247620), (30, 5622858), (36, 4685715), (45, 3748572), (54, 3123810), (60, 2811429), (61, 2765340), (81, 2082540), (90, 1874286), (108, 1561905), (122, 1382670), (135, 1249524), (162, 1041270), (180, 937143), (183, 921780), (243, 694180), (244, 691335), (270, 624762), (305, 553068), (324, 520635), (366, 460890), (405, 416508), (486, 347090), (540, 312381), (549, 307260), (569, 296460), (610, 276534), (732, 230445), (810, 208254), (915, 184356), (972, 173545), (1098, 153630), (1138, 148230), (1215, 138836), (1220, 138267), (1620, 104127), (1647, 102420), (1707, 98820), (1830, 92178), (2196, 76815), (2276, 74115), (2430, 69418), (2745, 61452), (2845, 59292), (3294, 51210), (3414, 49410), (3660, 46089), (4860, 34709), (4941, 34140), (5121, 32940), (5490, 30726), (5690, 29646), (6588, 25605), (6828, 24705), (8235, 20484), (8535, 19764), (9882, 17070), (10242, 16470), (10980, 15363), (11380, 14823)]