1820955780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 288

約数和(自身を含む): 6533968896

約数和(自身を除く): 4713013116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 97, 105, 126, 140, 141, 180, 188, 194, 210, 235, 252, 282, 291, 315, 317, 329, 388, 420, 423, 470, 485, 564, 582, 630, 634, 658, 679, 705, 846, 873, 940, 951, 970, 987, 1164, 1260, 1268, 1316, 1358, 1410, 1455, 1585, 1645, 1692, 1746, 1902, 1940, 1974, 2037, 2115, 2219, 2716, 2820, 2853, 2910, 2961, 3170, 3290, 3395, 3492, 3804, 3948, 4074, 4230, 4365, 4438, 4559, 4755, 4935, 5706, 5820, 5922, 6111, 6340, 6580, 6657, 6790, 8148, 8460, 8730, 8876, 9118, 9510, 9870, 10185, 11095, 11412, 11844, 12222, 13314, 13580, 13677, 14265, 14805, 14899, 17460, 18236, 19020, 19740, 19971, 20370, 22190, 22795, 24444, 26628, 27354, 28530, 29610, 29798, 30555, 30749, 31913, 33285, 39942, 40740, 41031, 44380, 44697, 45590, 54708, 57060, 59220, 59596, 61110, 61498, 63826, 66570, 68385, 74495, 79884, 82062, 89394, 91180, 92247, 95739, 99855, 104293, 122220, 122996, 127652, 133140, 134091, 136770, 148990, 153745, 159565, 164124, 178788, 184494, 191478, 199710, 205155, 208586, 215243, 223485, 268182, 273540, 276741, 287217, 297980, 307490, 312879, 319130, 368988, 382956, 399420, 410310, 417172, 430486, 446970, 461235, 478695, 521465, 536364, 553482, 574434, 614980, 625758, 638260, 645729, 670455, 820620, 860972, 893940, 922470, 938637, 957390, 1042930, 1076215, 1106964, 1148868, 1251516, 1291458, 1340910, 1383705, 1436085, 1445203, 1564395, 1844940, 1877274, 1914780, 1937187, 2085860, 2152430, 2582916, 2681820, 2767410, 2872170, 2890406, 3128790, 3228645, 3754548, 3874374, 4304860, 4335609, 4693185, 5534820, 5744340, 5780812, 6257580, 6457290, 7226015, 7748748, 8671218, 9386370, 9685935, 10116421, 12914580, 13006827, 14452030, 17342436, 18772740, 19371870, 20232842, 21678045, 26013654, 28904060, 30349263, 38743740, 40465684, 43356090, 50582105, 52027308, 60698526, 65034135, 86712180, 91047789, 101164210, 121397052, 130068270, 151746315, 182095578, 202328420, 260136540, 303492630, 364191156, 455238945, 606985260, 910477890, 1820955780]

約数ペア:

[(1, 1820955780), (2, 910477890), (3, 606985260), (4, 455238945), (5, 364191156), (6, 303492630), (7, 260136540), (9, 202328420), (10, 182095578), (12, 151746315), (14, 130068270), (15, 121397052), (18, 101164210), (20, 91047789), (21, 86712180), (28, 65034135), (30, 60698526), (35, 52027308), (36, 50582105), (42, 43356090), (45, 40465684), (47, 38743740), (60, 30349263), (63, 28904060), (70, 26013654), (84, 21678045), (90, 20232842), (94, 19371870), (97, 18772740), (105, 17342436), (126, 14452030), (140, 13006827), (141, 12914580), (180, 10116421), (188, 9685935), (194, 9386370), (210, 8671218), (235, 7748748), (252, 7226015), (282, 6457290), (291, 6257580), (315, 5780812), (317, 5744340), (329, 5534820), (388, 4693185), (420, 4335609), (423, 4304860), (470, 3874374), (485, 3754548), (564, 3228645), (582, 3128790), (630, 2890406), (634, 2872170), (658, 2767410), (679, 2681820), (705, 2582916), (846, 2152430), (873, 2085860), (940, 1937187), (951, 1914780), (970, 1877274), (987, 1844940), (1164, 1564395), (1260, 1445203), (1268, 1436085), (1316, 1383705), (1358, 1340910), (1410, 1291458), (1455, 1251516), (1585, 1148868), (1645, 1106964), (1692, 1076215), (1746, 1042930), (1902, 957390), (1940, 938637), (1974, 922470), (2037, 893940), (2115, 860972), (2219, 820620), (2716, 670455), (2820, 645729), (2853, 638260), (2910, 625758), (2961, 614980), (3170, 574434), (3290, 553482), (3395, 536364), (3492, 521465), (3804, 478695), (3948, 461235), (4074, 446970), (4230, 430486), (4365, 417172), (4438, 410310), (4559, 399420), (4755, 382956), (4935, 368988), (5706, 319130), (5820, 312879), (5922, 307490), (6111, 297980), (6340, 287217), (6580, 276741), (6657, 273540), (6790, 268182), (8148, 223485), (8460, 215243), (8730, 208586), (8876, 205155), (9118, 199710), (9510, 191478), (9870, 184494), (10185, 178788), (11095, 164124), (11412, 159565), (11844, 153745), (12222, 148990), (13314, 136770), (13580, 134091), (13677, 133140), (14265, 127652), (14805, 122996), (14899, 122220), (17460, 104293), (18236, 99855), (19020, 95739), (19740, 92247), (19971, 91180), (20370, 89394), (22190, 82062), (22795, 79884), (24444, 74495), (26628, 68385), (27354, 66570), (28530, 63826), (29610, 61498), (29798, 61110), (30555, 59596), (30749, 59220), (31913, 57060), (33285, 54708), (39942, 45590), (40740, 44697), (41031, 44380)]