1211661920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:725

約数の個数: 192

約数和(自身を含む): 3485099520

約数和(自身を除く): 2273437600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 97, 112, 133, 140, 152, 160, 190, 194, 224, 266, 280, 304, 380, 388, 485, 532, 560, 587, 608, 665, 679, 760, 776, 970, 1064, 1120, 1174, 1330, 1358, 1520, 1552, 1843, 1940, 2128, 2348, 2660, 2716, 2935, 3040, 3104, 3395, 3686, 3880, 4109, 4256, 4696, 5320, 5432, 5870, 6790, 7372, 7760, 8218, 9215, 9392, 10640, 10864, 11153, 11740, 12901, 13580, 14744, 15520, 16436, 18430, 18784, 20545, 21280, 21728, 22306, 23480, 25802, 27160, 29488, 32872, 36860, 41090, 44612, 46960, 51604, 54320, 55765, 56939, 58976, 64505, 65744, 73720, 78071, 82180, 89224, 93920, 103208, 108640, 111530, 113878, 129010, 131488, 147440, 156142, 164360, 178448, 206416, 223060, 227756, 258020, 284695, 294880, 312284, 328720, 356896, 390355, 398573, 412832, 446120, 455512, 516040, 569390, 624568, 657440, 780710, 797146, 892240, 911024, 1032080, 1081841, 1138780, 1249136, 1561420, 1594292, 1784480, 1822048, 1992865, 2064160, 2163682, 2277560, 2498272, 3122840, 3188584, 3985730, 4327364, 4555120, 5409205, 6245680, 6377168, 7572887, 7971460, 8654728, 9110240, 10818410, 12491360, 12754336, 15145774, 15942920, 17309456, 21636820, 30291548, 31885840, 34618912, 37864435, 43273640, 60583096, 63771680, 75728870, 86547280, 121166192, 151457740, 173094560, 242332384, 302915480, 605830960, 1211661920]

約数ペア:

[(1, 1211661920), (2, 605830960), (4, 302915480), (5, 242332384), (7, 173094560), (8, 151457740), (10, 121166192), (14, 86547280), (16, 75728870), (19, 63771680), (20, 60583096), (28, 43273640), (32, 37864435), (35, 34618912), (38, 31885840), (40, 30291548), (56, 21636820), (70, 17309456), (76, 15942920), (80, 15145774), (95, 12754336), (97, 12491360), (112, 10818410), (133, 9110240), (140, 8654728), (152, 7971460), (160, 7572887), (190, 6377168), (194, 6245680), (224, 5409205), (266, 4555120), (280, 4327364), (304, 3985730), (380, 3188584), (388, 3122840), (485, 2498272), (532, 2277560), (560, 2163682), (587, 2064160), (608, 1992865), (665, 1822048), (679, 1784480), (760, 1594292), (776, 1561420), (970, 1249136), (1064, 1138780), (1120, 1081841), (1174, 1032080), (1330, 911024), (1358, 892240), (1520, 797146), (1552, 780710), (1843, 657440), (1940, 624568), (2128, 569390), (2348, 516040), (2660, 455512), (2716, 446120), (2935, 412832), (3040, 398573), (3104, 390355), (3395, 356896), (3686, 328720), (3880, 312284), (4109, 294880), (4256, 284695), (4696, 258020), (5320, 227756), (5432, 223060), (5870, 206416), (6790, 178448), (7372, 164360), (7760, 156142), (8218, 147440), (9215, 131488), (9392, 129010), (10640, 113878), (10864, 111530), (11153, 108640), (11740, 103208), (12901, 93920), (13580, 89224), (14744, 82180), (15520, 78071), (16436, 73720), (18430, 65744), (18784, 64505), (20545, 58976), (21280, 56939), (21728, 55765), (22306, 54320), (23480, 51604), (25802, 46960), (27160, 44612), (29488, 41090), (32872, 36860)]