661865261820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{41491}}^1$

素因数の和:43528

約数の個数: 192

約数和(自身を含む): 2230609920000

約数和(自身を除く): 1568744658180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 1999, 2660, 3990, 3998, 5997, 7980, 7996, 9995, 11994, 13993, 19990, 23988, 27986, 29985, 37981, 39980, 41491, 41979, 55972, 59970, 69965, 75962, 82982, 83958, 113943, 119940, 124473, 139930, 151924, 165964, 167916, 189905, 207455, 209895, 227886, 248946, 265867, 279860, 290437, 379810, 414910, 419790, 455772, 497892, 531734, 569715, 580874, 622365, 759620, 788329, 797601, 829820, 839580, 871311, 1063468, 1139430, 1161748, 1244730, 1329335, 1452185, 1576658, 1595202, 1742622, 2278860, 2364987, 2489460, 2658670, 2904370, 3153316, 3190404, 3485244, 3941645, 3988005, 4356555, 4729974, 5317340, 5518303, 5808740, 7883290, 7976010, 8713110, 9459948, 11036606, 11824935, 15766580, 15952020, 16554909, 17426220, 22073212, 23649870, 27591515, 33109818, 47299740, 55183030, 66219636, 82774545, 82940509, 110366060, 165549090, 165881018, 248821527, 331098180, 331762036, 414702545, 497643054, 580583563, 829405090, 995286108, 1161167126, 1244107635, 1575869671, 1658810180, 1741750689, 2322334252, 2488215270, 2902917815, 3151739342, 3483501378, 4727609013, 4976430540, 5805835630, 6303478684, 6967002756, 7879348355, 8708753445, 9455218026, 11031087697, 11611671260, 15758696710, 17417506890, 18910436052, 22062175394, 23638045065, 31517393420, 33093263091, 34835013780, 44124350788, 47276090130, 55155438485, 66186526182, 94552180260, 110310876970, 132373052364, 165466315455, 220621753940, 330932630910, 661865261820]

約数ペア:

[(1, 661865261820), (2, 330932630910), (3, 220621753940), (4, 165466315455), (5, 132373052364), (6, 110310876970), (7, 94552180260), (10, 66186526182), (12, 55155438485), (14, 47276090130), (15, 44124350788), (19, 34835013780), (20, 33093263091), (21, 31517393420), (28, 23638045065), (30, 22062175394), (35, 18910436052), (38, 17417506890), (42, 15758696710), (57, 11611671260), (60, 11031087697), (70, 9455218026), (76, 8708753445), (84, 7879348355), (95, 6967002756), (105, 6303478684), (114, 5805835630), (133, 4976430540), (140, 4727609013), (190, 3483501378), (210, 3151739342), (228, 2902917815), (266, 2488215270), (285, 2322334252), (380, 1741750689), (399, 1658810180), (420, 1575869671), (532, 1244107635), (570, 1161167126), (665, 995286108), (798, 829405090), (1140, 580583563), (1330, 497643054), (1596, 414702545), (1995, 331762036), (1999, 331098180), (2660, 248821527), (3990, 165881018), (3998, 165549090), (5997, 110366060), (7980, 82940509), (7996, 82774545), (9995, 66219636), (11994, 55183030), (13993, 47299740), (19990, 33109818), (23988, 27591515), (27986, 23649870), (29985, 22073212), (37981, 17426220), (39980, 16554909), (41491, 15952020), (41979, 15766580), (55972, 11824935), (59970, 11036606), (69965, 9459948), (75962, 8713110), (82982, 7976010), (83958, 7883290), (113943, 5808740), (119940, 5518303), (124473, 5317340), (139930, 4729974), (151924, 4356555), (165964, 3988005), (167916, 3941645), (189905, 3485244), (207455, 3190404), (209895, 3153316), (227886, 2904370), (248946, 2658670), (265867, 2489460), (279860, 2364987), (290437, 2278860), (379810, 1742622), (414910, 1595202), (419790, 1576658), (455772, 1452185), (497892, 1329335), (531734, 1244730), (569715, 1161748), (580874, 1139430), (622365, 1063468), (759620, 871311), (788329, 839580), (797601, 829820)]