198705420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 660441600

約数和(自身を除く): 461736180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 107, 108, 114, 135, 171, 180, 181, 190, 214, 228, 270, 285, 321, 342, 362, 380, 428, 513, 535, 540, 543, 570, 642, 684, 724, 855, 905, 963, 1026, 1070, 1086, 1140, 1284, 1605, 1629, 1710, 1810, 1926, 2033, 2052, 2140, 2172, 2565, 2715, 2889, 3210, 3258, 3420, 3439, 3620, 3852, 4066, 4815, 4887, 5130, 5430, 5778, 6099, 6420, 6516, 6878, 8132, 8145, 9630, 9774, 10165, 10260, 10317, 10860, 11556, 12198, 13756, 14445, 16290, 17195, 18297, 19260, 19367, 19548, 20330, 20634, 24396, 24435, 28890, 30495, 30951, 32580, 34390, 36594, 38734, 40660, 41268, 48870, 51585, 54891, 57780, 58101, 60990, 61902, 68780, 73188, 77468, 91485, 92853, 96835, 97740, 103170, 109782, 116202, 121980, 123804, 154755, 174303, 182970, 185706, 193670, 206340, 219564, 232404, 274455, 290505, 309510, 348606, 365940, 367973, 371412, 387340, 464265, 522909, 548910, 581010, 619020, 697212, 735946, 871515, 928530, 1045818, 1097820, 1103919, 1162020, 1471892, 1743030, 1839865, 1857060, 2091636, 2207838, 2614545, 3311757, 3486060, 3679730, 4415676, 5229090, 5519595, 6623514, 7359460, 9935271, 10458180, 11039190, 13247028, 16558785, 19870542, 22078380, 33117570, 39741084, 49676355, 66235140, 99352710, 198705420]

約数ペア:

[(1, 198705420), (2, 99352710), (3, 66235140), (4, 49676355), (5, 39741084), (6, 33117570), (9, 22078380), (10, 19870542), (12, 16558785), (15, 13247028), (18, 11039190), (19, 10458180), (20, 9935271), (27, 7359460), (30, 6623514), (36, 5519595), (38, 5229090), (45, 4415676), (54, 3679730), (57, 3486060), (60, 3311757), (76, 2614545), (90, 2207838), (95, 2091636), (107, 1857060), (108, 1839865), (114, 1743030), (135, 1471892), (171, 1162020), (180, 1103919), (181, 1097820), (190, 1045818), (214, 928530), (228, 871515), (270, 735946), (285, 697212), (321, 619020), (342, 581010), (362, 548910), (380, 522909), (428, 464265), (513, 387340), (535, 371412), (540, 367973), (543, 365940), (570, 348606), (642, 309510), (684, 290505), (724, 274455), (855, 232404), (905, 219564), (963, 206340), (1026, 193670), (1070, 185706), (1086, 182970), (1140, 174303), (1284, 154755), (1605, 123804), (1629, 121980), (1710, 116202), (1810, 109782), (1926, 103170), (2033, 97740), (2052, 96835), (2140, 92853), (2172, 91485), (2565, 77468), (2715, 73188), (2889, 68780), (3210, 61902), (3258, 60990), (3420, 58101), (3439, 57780), (3620, 54891), (3852, 51585), (4066, 48870), (4815, 41268), (4887, 40660), (5130, 38734), (5430, 36594), (5778, 34390), (6099, 32580), (6420, 30951), (6516, 30495), (6878, 28890), (8132, 24435), (8145, 24396), (9630, 20634), (9774, 20330), (10165, 19548), (10260, 19367), (10317, 19260), (10860, 18297), (11556, 17195), (12198, 16290), (13756, 14445)]