85420620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 191335860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 47, 60, 69, 90, 92, 94, 115, 138, 141, 180, 188, 207, 230, 235, 276, 282, 345, 414, 423, 439, 460, 470, 564, 690, 705, 828, 846, 878, 940, 1035, 1081, 1317, 1380, 1410, 1692, 1756, 2070, 2115, 2162, 2195, 2634, 2820, 3243, 3951, 4140, 4230, 4324, 4390, 5268, 5405, 6486, 6585, 7902, 8460, 8780, 9729, 10097, 10810, 12972, 13170, 15804, 16215, 19458, 19755, 20194, 20633, 21620, 26340, 30291, 32430, 38916, 39510, 40388, 41266, 48645, 50485, 60582, 61899, 64860, 79020, 82532, 90873, 97290, 100970, 103165, 121164, 123798, 151455, 181746, 185697, 194580, 201940, 206330, 247596, 302910, 309495, 363492, 371394, 412660, 454365, 474559, 605820, 618990, 742788, 908730, 928485, 949118, 1237980, 1423677, 1817460, 1856970, 1898236, 2372795, 2847354, 3713940, 4271031, 4745590, 5694708, 7118385, 8542062, 9491180, 14236770, 17084124, 21355155, 28473540, 42710310, 85420620]

約数ペア:

[(1, 85420620), (2, 42710310), (3, 28473540), (4, 21355155), (5, 17084124), (6, 14236770), (9, 9491180), (10, 8542062), (12, 7118385), (15, 5694708), (18, 4745590), (20, 4271031), (23, 3713940), (30, 2847354), (36, 2372795), (45, 1898236), (46, 1856970), (47, 1817460), (60, 1423677), (69, 1237980), (90, 949118), (92, 928485), (94, 908730), (115, 742788), (138, 618990), (141, 605820), (180, 474559), (188, 454365), (207, 412660), (230, 371394), (235, 363492), (276, 309495), (282, 302910), (345, 247596), (414, 206330), (423, 201940), (439, 194580), (460, 185697), (470, 181746), (564, 151455), (690, 123798), (705, 121164), (828, 103165), (846, 100970), (878, 97290), (940, 90873), (1035, 82532), (1081, 79020), (1317, 64860), (1380, 61899), (1410, 60582), (1692, 50485), (1756, 48645), (2070, 41266), (2115, 40388), (2162, 39510), (2195, 38916), (2634, 32430), (2820, 30291), (3243, 26340), (3951, 21620), (4140, 20633), (4230, 20194), (4324, 19755), (4390, 19458), (5268, 16215), (5405, 15804), (6486, 13170), (6585, 12972), (7902, 10810), (8460, 10097), (8780, 9729)]