840702330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1853

約数の個数: 144

約数和(自身を含む): 2444622336

約数和(自身を除く): 1603920006

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 169, 186, 195, 234, 279, 310, 338, 390, 403, 465, 507, 558, 585, 806, 845, 930, 1014, 1170, 1209, 1395, 1521, 1690, 1783, 2015, 2418, 2535, 2790, 3042, 3566, 3627, 4030, 5070, 5239, 5349, 6045, 7254, 7605, 8915, 10478, 10698, 12090, 15210, 15717, 16047, 17830, 18135, 23179, 26195, 26745, 31434, 32094, 36270, 46358, 47151, 52390, 53490, 55273, 69537, 78585, 80235, 94302, 110546, 115895, 139074, 157170, 160470, 165819, 208611, 231790, 235755, 276365, 301327, 331638, 347685, 417222, 471510, 497457, 552730, 602654, 695370, 718549, 829095, 903981, 994914, 1043055, 1437098, 1506635, 1658190, 1807962, 2086110, 2155647, 2487285, 2711943, 3013270, 3592745, 4311294, 4519905, 4974570, 5423886, 6466941, 7185490, 9039810, 9341137, 10778235, 12933882, 13559715, 18682274, 21556470, 27119430, 28023411, 32334705, 46705685, 56046822, 64669410, 84070233, 93411370, 140117055, 168140466, 280234110, 420351165, 840702330]

約数ペア:

[(1, 840702330), (2, 420351165), (3, 280234110), (5, 168140466), (6, 140117055), (9, 93411370), (10, 84070233), (13, 64669410), (15, 56046822), (18, 46705685), (26, 32334705), (30, 28023411), (31, 27119430), (39, 21556470), (45, 18682274), (62, 13559715), (65, 12933882), (78, 10778235), (90, 9341137), (93, 9039810), (117, 7185490), (130, 6466941), (155, 5423886), (169, 4974570), (186, 4519905), (195, 4311294), (234, 3592745), (279, 3013270), (310, 2711943), (338, 2487285), (390, 2155647), (403, 2086110), (465, 1807962), (507, 1658190), (558, 1506635), (585, 1437098), (806, 1043055), (845, 994914), (930, 903981), (1014, 829095), (1170, 718549), (1209, 695370), (1395, 602654), (1521, 552730), (1690, 497457), (1783, 471510), (2015, 417222), (2418, 347685), (2535, 331638), (2790, 301327), (3042, 276365), (3566, 235755), (3627, 231790), (4030, 208611), (5070, 165819), (5239, 160470), (5349, 157170), (6045, 139074), (7254, 115895), (7605, 110546), (8915, 94302), (10478, 80235), (10698, 78585), (12090, 69537), (15210, 55273), (15717, 53490), (16047, 52390), (17830, 47151), (18135, 46358), (23179, 36270), (26195, 32094), (26745, 31434)]