1780749540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12109}}^1$

素因数の和:12186

約数の個数: 144

約数和(自身を含む): 5818612800

約数和(自身を除く): 4037863260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 855, 860, 1140, 1290, 1548, 1634, 1710, 1935, 2451, 2580, 3268, 3420, 3870, 4085, 4902, 7353, 7740, 8170, 9804, 12109, 12255, 14706, 16340, 24218, 24510, 29412, 36327, 36765, 48436, 49020, 60545, 72654, 73530, 108981, 121090, 145308, 147060, 181635, 217962, 230071, 242180, 363270, 435924, 460142, 520687, 544905, 690213, 726540, 920284, 1041374, 1089810, 1150355, 1380426, 1562061, 2070639, 2082748, 2179620, 2300710, 2603435, 2760852, 3124122, 3451065, 4141278, 4601420, 4686183, 5206870, 6248244, 6902130, 7810305, 8282556, 9372366, 9893053, 10353195, 10413740, 13804260, 15620610, 18744732, 19786106, 20706390, 23430915, 29679159, 31241220, 39572212, 41412780, 46861830, 49465265, 59358318, 89037477, 93723660, 98930530, 118716636, 148395795, 178074954, 197861060, 296791590, 356149908, 445187385, 593583180, 890374770, 1780749540]

約数ペア:

[(1, 1780749540), (2, 890374770), (3, 593583180), (4, 445187385), (5, 356149908), (6, 296791590), (9, 197861060), (10, 178074954), (12, 148395795), (15, 118716636), (18, 98930530), (19, 93723660), (20, 89037477), (30, 59358318), (36, 49465265), (38, 46861830), (43, 41412780), (45, 39572212), (57, 31241220), (60, 29679159), (76, 23430915), (86, 20706390), (90, 19786106), (95, 18744732), (114, 15620610), (129, 13804260), (171, 10413740), (172, 10353195), (180, 9893053), (190, 9372366), (215, 8282556), (228, 7810305), (258, 6902130), (285, 6248244), (342, 5206870), (380, 4686183), (387, 4601420), (430, 4141278), (516, 3451065), (570, 3124122), (645, 2760852), (684, 2603435), (774, 2300710), (817, 2179620), (855, 2082748), (860, 2070639), (1140, 1562061), (1290, 1380426), (1548, 1150355), (1634, 1089810), (1710, 1041374), (1935, 920284), (2451, 726540), (2580, 690213), (3268, 544905), (3420, 520687), (3870, 460142), (4085, 435924), (4902, 363270), (7353, 242180), (7740, 230071), (8170, 217962), (9804, 181635), (12109, 147060), (12255, 145308), (14706, 121090), (16340, 108981), (24218, 73530), (24510, 72654), (29412, 60545), (36327, 49020), (36765, 48436)]