20149671640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:1002

約数の個数: 256

約数和(自身を含む): 56134840320

約数和(自身を除く): 35985168680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 103, 115, 140, 148, 161, 184, 185, 206, 230, 259, 280, 296, 322, 370, 412, 460, 515, 518, 644, 721, 740, 805, 821, 824, 851, 920, 1030, 1036, 1288, 1295, 1442, 1480, 1610, 1642, 1702, 2060, 2072, 2369, 2590, 2884, 3220, 3284, 3404, 3605, 3811, 4105, 4120, 4255, 4738, 5180, 5747, 5768, 5957, 6440, 6568, 6808, 7210, 7622, 8210, 8510, 9476, 10360, 11494, 11845, 11914, 14420, 15244, 16420, 16583, 17020, 18883, 18952, 19055, 22988, 23690, 23828, 26677, 28735, 28840, 29785, 30377, 30488, 32840, 33166, 34040, 37766, 38110, 45976, 47380, 47656, 53354, 57470, 59570, 60754, 66332, 75532, 76220, 82915, 84563, 87653, 94415, 94760, 106708, 114940, 119140, 121508, 132181, 132664, 133385, 151064, 151885, 152440, 165830, 169126, 175306, 188830, 212639, 213416, 229880, 238280, 243016, 264362, 266770, 303770, 331660, 338252, 350612, 377660, 422815, 425278, 438265, 528724, 533540, 591941, 607540, 613571, 660905, 663320, 676504, 698671, 701224, 755320, 845630, 850556, 876530, 1057448, 1063195, 1067080, 1183882, 1215080, 1227142, 1321810, 1397342, 1691260, 1701112, 1753060, 1944949, 2126390, 2367764, 2454284, 2643620, 2794684, 2959705, 3067855, 3128831, 3382520, 3493355, 3506120, 3889898, 4252780, 4735528, 4890697, 4908568, 5287240, 5589368, 5919410, 6135710, 6257662, 6986710, 7779796, 8505560, 9724745, 9781394, 11838820, 12271420, 12515324, 13614643, 13973420, 15559592, 15644155, 19449490, 19562788, 21901817, 23677640, 24453485, 24542840, 25030648, 27229286, 27946840, 31288310, 38898980, 39125576, 43803634, 48906970, 54458572, 62576620, 68073215, 71963113, 77797960, 87607268, 97813940, 108917144, 109509085, 125153240, 136146430, 143926226, 175214536, 195627880, 219018170, 272292860, 287852452, 359815565, 438036340, 503741791, 544585720, 575704904, 719631130, 876072680, 1007483582, 1439262260, 2014967164, 2518708955, 2878524520, 4029934328, 5037417910, 10074835820, 20149671640]

約数ペア:

[(1, 20149671640), (2, 10074835820), (4, 5037417910), (5, 4029934328), (7, 2878524520), (8, 2518708955), (10, 2014967164), (14, 1439262260), (20, 1007483582), (23, 876072680), (28, 719631130), (35, 575704904), (37, 544585720), (40, 503741791), (46, 438036340), (56, 359815565), (70, 287852452), (74, 272292860), (92, 219018170), (103, 195627880), (115, 175214536), (140, 143926226), (148, 136146430), (161, 125153240), (184, 109509085), (185, 108917144), (206, 97813940), (230, 87607268), (259, 77797960), (280, 71963113), (296, 68073215), (322, 62576620), (370, 54458572), (412, 48906970), (460, 43803634), (515, 39125576), (518, 38898980), (644, 31288310), (721, 27946840), (740, 27229286), (805, 25030648), (821, 24542840), (824, 24453485), (851, 23677640), (920, 21901817), (1030, 19562788), (1036, 19449490), (1288, 15644155), (1295, 15559592), (1442, 13973420), (1480, 13614643), (1610, 12515324), (1642, 12271420), (1702, 11838820), (2060, 9781394), (2072, 9724745), (2369, 8505560), (2590, 7779796), (2884, 6986710), (3220, 6257662), (3284, 6135710), (3404, 5919410), (3605, 5589368), (3811, 5287240), (4105, 4908568), (4120, 4890697), (4255, 4735528), (4738, 4252780), (5180, 3889898), (5747, 3506120), (5768, 3493355), (5957, 3382520), (6440, 3128831), (6568, 3067855), (6808, 2959705), (7210, 2794684), (7622, 2643620), (8210, 2454284), (8510, 2367764), (9476, 2126390), (10360, 1944949), (11494, 1753060), (11845, 1701112), (11914, 1691260), (14420, 1397342), (15244, 1321810), (16420, 1227142), (16583, 1215080), (17020, 1183882), (18883, 1067080), (18952, 1063195), (19055, 1057448), (22988, 876530), (23690, 850556), (23828, 845630), (26677, 755320), (28735, 701224), (28840, 698671), (29785, 676504), (30377, 663320), (30488, 660905), (32840, 613571), (33166, 607540), (34040, 591941), (37766, 533540), (38110, 528724), (45976, 438265), (47380, 425278), (47656, 422815), (53354, 377660), (57470, 350612), (59570, 338252), (60754, 331660), (66332, 303770), (75532, 266770), (76220, 264362), (82915, 243016), (84563, 238280), (87653, 229880), (94415, 213416), (94760, 212639), (106708, 188830), (114940, 175306), (119140, 169126), (121508, 165830), (132181, 152440), (132664, 151885), (133385, 151064)]