991995060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1142

約数の個数: 192

約数和(自身を含む): 3347914752

約数和(自身を除く): 2355919692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 103, 105, 115, 138, 140, 161, 206, 210, 230, 276, 309, 322, 345, 412, 420, 460, 483, 515, 618, 644, 690, 721, 805, 966, 997, 1030, 1236, 1380, 1442, 1545, 1610, 1932, 1994, 2060, 2163, 2369, 2415, 2884, 2991, 3090, 3220, 3605, 3988, 4326, 4738, 4830, 4985, 5982, 6180, 6979, 7107, 7210, 8652, 9476, 9660, 9970, 10815, 11845, 11964, 13958, 14214, 14420, 14955, 16583, 19940, 20937, 21630, 22931, 23690, 27916, 28428, 29910, 33166, 34895, 35535, 41874, 43260, 45862, 47380, 49749, 59820, 66332, 68793, 69790, 71070, 82915, 83748, 91724, 99498, 102691, 104685, 114655, 137586, 139580, 142140, 160517, 165830, 198996, 205382, 209370, 229310, 248745, 275172, 308073, 321034, 331660, 343965, 410764, 418740, 458620, 481551, 497490, 513455, 616146, 642068, 687930, 718837, 802585, 963102, 994980, 1026910, 1232292, 1375860, 1437674, 1540365, 1605170, 1926204, 2053820, 2156511, 2361893, 2407755, 2875348, 3080730, 3210340, 3594185, 4313022, 4723786, 4815510, 6161460, 7085679, 7188370, 8626044, 9447572, 9631020, 10782555, 11809465, 14171358, 14376740, 16533251, 21565110, 23618930, 28342716, 33066502, 35428395, 43130220, 47237860, 49599753, 66133004, 70856790, 82666255, 99199506, 141713580, 165332510, 198399012, 247998765, 330665020, 495997530, 991995060]

約数ペア:

[(1, 991995060), (2, 495997530), (3, 330665020), (4, 247998765), (5, 198399012), (6, 165332510), (7, 141713580), (10, 99199506), (12, 82666255), (14, 70856790), (15, 66133004), (20, 49599753), (21, 47237860), (23, 43130220), (28, 35428395), (30, 33066502), (35, 28342716), (42, 23618930), (46, 21565110), (60, 16533251), (69, 14376740), (70, 14171358), (84, 11809465), (92, 10782555), (103, 9631020), (105, 9447572), (115, 8626044), (138, 7188370), (140, 7085679), (161, 6161460), (206, 4815510), (210, 4723786), (230, 4313022), (276, 3594185), (309, 3210340), (322, 3080730), (345, 2875348), (412, 2407755), (420, 2361893), (460, 2156511), (483, 2053820), (515, 1926204), (618, 1605170), (644, 1540365), (690, 1437674), (721, 1375860), (805, 1232292), (966, 1026910), (997, 994980), (1030, 963102), (1236, 802585), (1380, 718837), (1442, 687930), (1545, 642068), (1610, 616146), (1932, 513455), (1994, 497490), (2060, 481551), (2163, 458620), (2369, 418740), (2415, 410764), (2884, 343965), (2991, 331660), (3090, 321034), (3220, 308073), (3605, 275172), (3988, 248745), (4326, 229310), (4738, 209370), (4830, 205382), (4985, 198996), (5982, 165830), (6180, 160517), (6979, 142140), (7107, 139580), (7210, 137586), (8652, 114655), (9476, 104685), (9660, 102691), (9970, 99498), (10815, 91724), (11845, 83748), (11964, 82915), (13958, 71070), (14214, 69790), (14420, 68793), (14955, 66332), (16583, 59820), (19940, 49749), (20937, 47380), (21630, 45862), (22931, 43260), (23690, 41874), (27916, 35535), (28428, 34895), (29910, 33166)]