81147220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 232243200

約数和(自身を除く): 151095980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 29, 35, 44, 46, 55, 58, 70, 77, 79, 92, 110, 115, 116, 140, 145, 154, 158, 161, 203, 220, 230, 253, 290, 308, 316, 319, 322, 385, 395, 406, 460, 506, 553, 580, 638, 644, 667, 770, 790, 805, 812, 869, 1012, 1015, 1106, 1265, 1276, 1334, 1540, 1580, 1595, 1610, 1738, 1771, 1817, 2030, 2212, 2233, 2291, 2530, 2668, 2765, 3190, 3220, 3335, 3476, 3542, 3634, 4060, 4345, 4466, 4582, 4669, 5060, 5530, 6083, 6380, 6670, 7084, 7268, 7337, 8690, 8855, 8932, 9085, 9164, 9338, 11060, 11165, 11455, 12166, 12719, 13340, 14674, 16037, 17380, 17710, 18170, 18676, 19987, 22330, 22910, 23345, 24332, 25201, 25438, 29348, 30415, 32074, 35420, 36340, 36685, 39974, 44660, 45820, 46690, 50402, 50876, 51359, 52693, 60830, 63595, 64148, 73370, 79948, 80185, 93380, 99935, 100804, 102718, 105386, 121660, 126005, 127190, 139909, 146740, 160370, 176407, 199870, 205436, 210772, 252010, 254380, 256795, 263465, 279818, 320740, 352814, 368851, 399740, 504020, 513590, 526930, 559636, 579623, 699545, 705628, 737702, 882035, 1027180, 1053860, 1159246, 1399090, 1475404, 1764070, 1844255, 2318492, 2798180, 2898115, 3528140, 3688510, 4057361, 5796230, 7377020, 8114722, 11592460, 16229444, 20286805, 40573610, 81147220]

約数ペア:

[(1, 81147220), (2, 40573610), (4, 20286805), (5, 16229444), (7, 11592460), (10, 8114722), (11, 7377020), (14, 5796230), (20, 4057361), (22, 3688510), (23, 3528140), (28, 2898115), (29, 2798180), (35, 2318492), (44, 1844255), (46, 1764070), (55, 1475404), (58, 1399090), (70, 1159246), (77, 1053860), (79, 1027180), (92, 882035), (110, 737702), (115, 705628), (116, 699545), (140, 579623), (145, 559636), (154, 526930), (158, 513590), (161, 504020), (203, 399740), (220, 368851), (230, 352814), (253, 320740), (290, 279818), (308, 263465), (316, 256795), (319, 254380), (322, 252010), (385, 210772), (395, 205436), (406, 199870), (460, 176407), (506, 160370), (553, 146740), (580, 139909), (638, 127190), (644, 126005), (667, 121660), (770, 105386), (790, 102718), (805, 100804), (812, 99935), (869, 93380), (1012, 80185), (1015, 79948), (1106, 73370), (1265, 64148), (1276, 63595), (1334, 60830), (1540, 52693), (1580, 51359), (1595, 50876), (1610, 50402), (1738, 46690), (1771, 45820), (1817, 44660), (2030, 39974), (2212, 36685), (2233, 36340), (2291, 35420), (2530, 32074), (2668, 30415), (2765, 29348), (3190, 25438), (3220, 25201), (3335, 24332), (3476, 23345), (3542, 22910), (3634, 22330), (4060, 19987), (4345, 18676), (4466, 18170), (4582, 17710), (4669, 17380), (5060, 16037), (5530, 14674), (6083, 13340), (6380, 12719), (6670, 12166), (7084, 11455), (7268, 11165), (7337, 11060), (8690, 9338), (8855, 9164), (8932, 9085)]