220177980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 756725760

約数和(自身を除く): 536547780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 101, 108, 110, 132, 135, 165, 180, 198, 202, 220, 270, 297, 303, 330, 367, 396, 404, 495, 505, 540, 594, 606, 660, 734, 909, 990, 1010, 1101, 1111, 1188, 1212, 1468, 1485, 1515, 1818, 1835, 1980, 2020, 2202, 2222, 2727, 2970, 3030, 3303, 3333, 3636, 3670, 4037, 4404, 4444, 4545, 5454, 5505, 5555, 5940, 6060, 6606, 6666, 7340, 8074, 9090, 9909, 9999, 10908, 11010, 11110, 12111, 13212, 13332, 13635, 16148, 16515, 16665, 18180, 19818, 19998, 20185, 22020, 22220, 24222, 27270, 29997, 33030, 33330, 36333, 37067, 39636, 39996, 40370, 48444, 49545, 49995, 54540, 59994, 60555, 66060, 66660, 72666, 74134, 80740, 99090, 99990, 108999, 111201, 119988, 121110, 145332, 148268, 149985, 181665, 185335, 198180, 199980, 217998, 222402, 242220, 299970, 333603, 363330, 370670, 407737, 435996, 444804, 544995, 556005, 599940, 667206, 726660, 741340, 815474, 1000809, 1089990, 1112010, 1223211, 1334412, 1630948, 1668015, 2001618, 2038685, 2179980, 2224020, 2446422, 3336030, 3669633, 4003236, 4077370, 4892844, 5004045, 6116055, 6672060, 7339266, 8154740, 10008090, 11008899, 12232110, 14678532, 18348165, 20016180, 22017798, 24464220, 36696330, 44035596, 55044495, 73392660, 110088990, 220177980]

約数ペア:

[(1, 220177980), (2, 110088990), (3, 73392660), (4, 55044495), (5, 44035596), (6, 36696330), (9, 24464220), (10, 22017798), (11, 20016180), (12, 18348165), (15, 14678532), (18, 12232110), (20, 11008899), (22, 10008090), (27, 8154740), (30, 7339266), (33, 6672060), (36, 6116055), (44, 5004045), (45, 4892844), (54, 4077370), (55, 4003236), (60, 3669633), (66, 3336030), (90, 2446422), (99, 2224020), (101, 2179980), (108, 2038685), (110, 2001618), (132, 1668015), (135, 1630948), (165, 1334412), (180, 1223211), (198, 1112010), (202, 1089990), (220, 1000809), (270, 815474), (297, 741340), (303, 726660), (330, 667206), (367, 599940), (396, 556005), (404, 544995), (495, 444804), (505, 435996), (540, 407737), (594, 370670), (606, 363330), (660, 333603), (734, 299970), (909, 242220), (990, 222402), (1010, 217998), (1101, 199980), (1111, 198180), (1188, 185335), (1212, 181665), (1468, 149985), (1485, 148268), (1515, 145332), (1818, 121110), (1835, 119988), (1980, 111201), (2020, 108999), (2202, 99990), (2222, 99090), (2727, 80740), (2970, 74134), (3030, 72666), (3303, 66660), (3333, 66060), (3636, 60555), (3670, 59994), (4037, 54540), (4404, 49995), (4444, 49545), (4545, 48444), (5454, 40370), (5505, 39996), (5555, 39636), (5940, 37067), (6060, 36333), (6606, 33330), (6666, 33030), (7340, 29997), (8074, 27270), (9090, 24222), (9909, 22220), (9999, 22020), (10908, 20185), (11010, 19998), (11110, 19818), (12111, 18180), (13212, 16665), (13332, 16515), (13635, 16148)]