42157563160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{1667}}^1$

素因数の和:1961

約数の個数: 128

約数和(自身を含む): 98574796800

約数和(自身を除く): 56417233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 151, 158, 212, 265, 302, 316, 395, 424, 530, 604, 632, 755, 790, 1060, 1208, 1510, 1580, 1667, 2120, 3020, 3160, 3334, 4187, 6040, 6668, 8003, 8335, 8374, 11929, 13336, 16006, 16670, 16748, 20935, 23858, 32012, 33340, 33496, 40015, 41870, 47716, 59645, 64024, 66680, 80030, 83740, 88351, 95432, 119290, 131693, 160060, 167480, 176702, 238580, 251717, 263386, 320120, 353404, 441755, 477160, 503434, 526772, 632237, 658465, 706808, 883510, 1006868, 1053544, 1258585, 1264474, 1316930, 1767020, 2013736, 2517170, 2528948, 2633860, 3161185, 3534040, 5034340, 5057896, 5267720, 6322370, 6979729, 10068680, 12644740, 13341001, 13959458, 19885643, 25289480, 26682002, 27918916, 34898645, 39771286, 53364004, 55837832, 66705005, 69797290, 79542572, 99428215, 106728008, 133410010, 139594580, 159085144, 198856430, 266820020, 279189160, 397712860, 533640040, 795425720, 1053939079, 2107878158, 4215756316, 5269695395, 8431512632, 10539390790, 21078781580, 42157563160]

約数ペア:

[(1, 42157563160), (2, 21078781580), (4, 10539390790), (5, 8431512632), (8, 5269695395), (10, 4215756316), (20, 2107878158), (40, 1053939079), (53, 795425720), (79, 533640040), (106, 397712860), (151, 279189160), (158, 266820020), (212, 198856430), (265, 159085144), (302, 139594580), (316, 133410010), (395, 106728008), (424, 99428215), (530, 79542572), (604, 69797290), (632, 66705005), (755, 55837832), (790, 53364004), (1060, 39771286), (1208, 34898645), (1510, 27918916), (1580, 26682002), (1667, 25289480), (2120, 19885643), (3020, 13959458), (3160, 13341001), (3334, 12644740), (4187, 10068680), (6040, 6979729), (6668, 6322370), (8003, 5267720), (8335, 5057896), (8374, 5034340), (11929, 3534040), (13336, 3161185), (16006, 2633860), (16670, 2528948), (16748, 2517170), (20935, 2013736), (23858, 1767020), (32012, 1316930), (33340, 1264474), (33496, 1258585), (40015, 1053544), (41870, 1006868), (47716, 883510), (59645, 706808), (64024, 658465), (66680, 632237), (80030, 526772), (83740, 503434), (88351, 477160), (95432, 441755), (119290, 353404), (131693, 320120), (160060, 263386), (167480, 251717), (176702, 238580)]