180970020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1187}}^1$

素因数の和:1231

約数の個数: 216

約数和(自身を含む): 690161472

約数和(自身を除く): 509191452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1155, 1187, 1210, 1260, 1386, 1452, 1540, 1694, 1815, 1980, 2178, 2310, 2374, 2420, 2541, 2772, 3388, 3465, 3561, 3630, 4235, 4356, 4620, 4748, 5082, 5445, 5935, 6930, 7122, 7260, 7623, 8309, 8470, 10164, 10683, 10890, 11870, 12705, 13057, 13860, 14244, 15246, 16618, 16940, 17805, 21366, 21780, 23740, 24927, 25410, 26114, 30492, 33236, 35610, 38115, 39171, 41545, 42732, 49854, 50820, 52228, 53415, 65285, 71220, 74781, 76230, 78342, 83090, 91399, 99708, 106830, 117513, 124635, 130570, 143627, 149562, 152460, 156684, 166180, 182798, 195855, 213660, 235026, 249270, 261140, 274197, 287254, 299124, 365596, 373905, 391710, 430881, 456995, 470052, 498540, 548394, 574508, 587565, 718135, 747810, 783420, 822591, 861762, 913990, 1005389, 1096788, 1175130, 1292643, 1370985, 1436270, 1495620, 1645182, 1723524, 1827980, 2010778, 2154405, 2350260, 2585286, 2741970, 2872540, 3016167, 3290364, 4021556, 4112955, 4308810, 5026945, 5170572, 5483940, 6032334, 6463215, 8225910, 8617620, 9048501, 10053890, 12064668, 12926430, 15080835, 16451820, 18097002, 20107780, 25852860, 30161670, 36194004, 45242505, 60323340, 90485010, 180970020]

約数ペア:

[(1, 180970020), (2, 90485010), (3, 60323340), (4, 45242505), (5, 36194004), (6, 30161670), (7, 25852860), (9, 20107780), (10, 18097002), (11, 16451820), (12, 15080835), (14, 12926430), (15, 12064668), (18, 10053890), (20, 9048501), (21, 8617620), (22, 8225910), (28, 6463215), (30, 6032334), (33, 5483940), (35, 5170572), (36, 5026945), (42, 4308810), (44, 4112955), (45, 4021556), (55, 3290364), (60, 3016167), (63, 2872540), (66, 2741970), (70, 2585286), (77, 2350260), (84, 2154405), (90, 2010778), (99, 1827980), (105, 1723524), (110, 1645182), (121, 1495620), (126, 1436270), (132, 1370985), (140, 1292643), (154, 1175130), (165, 1096788), (180, 1005389), (198, 913990), (210, 861762), (220, 822591), (231, 783420), (242, 747810), (252, 718135), (308, 587565), (315, 574508), (330, 548394), (363, 498540), (385, 470052), (396, 456995), (420, 430881), (462, 391710), (484, 373905), (495, 365596), (605, 299124), (630, 287254), (660, 274197), (693, 261140), (726, 249270), (770, 235026), (847, 213660), (924, 195855), (990, 182798), (1089, 166180), (1155, 156684), (1187, 152460), (1210, 149562), (1260, 143627), (1386, 130570), (1452, 124635), (1540, 117513), (1694, 106830), (1815, 99708), (1980, 91399), (2178, 83090), (2310, 78342), (2374, 76230), (2420, 74781), (2541, 71220), (2772, 65285), (3388, 53415), (3465, 52228), (3561, 50820), (3630, 49854), (4235, 42732), (4356, 41545), (4620, 39171), (4748, 38115), (5082, 35610), (5445, 33236), (5935, 30492), (6930, 26114), (7122, 25410), (7260, 24927), (7623, 23740), (8309, 21780), (8470, 21366), (10164, 17805), (10683, 16940), (10890, 16618), (11870, 15246), (12705, 14244), (13057, 13860)]