489430480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 1481905152

約数和(自身を除く): 992474672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 140, 154, 155, 176, 217, 220, 233, 242, 248, 280, 308, 310, 341, 385, 434, 440, 466, 484, 496, 560, 605, 616, 620, 682, 770, 847, 868, 880, 932, 968, 1085, 1165, 1210, 1232, 1240, 1364, 1540, 1631, 1694, 1705, 1736, 1864, 1936, 2170, 2330, 2387, 2420, 2480, 2563, 2728, 3080, 3262, 3388, 3410, 3472, 3728, 3751, 4235, 4340, 4660, 4774, 4840, 5126, 5456, 6160, 6524, 6776, 6820, 7223, 7502, 8155, 8470, 8680, 9320, 9548, 9680, 10252, 11935, 12815, 13048, 13552, 13640, 14446, 15004, 16310, 16940, 17360, 17941, 18640, 18755, 19096, 20504, 23870, 25630, 26096, 26257, 27280, 28193, 28892, 30008, 32620, 33880, 35882, 36115, 37510, 38192, 41008, 47740, 50561, 51260, 52514, 56386, 57784, 60016, 65240, 67760, 71764, 72230, 75020, 79453, 89705, 95480, 101122, 102520, 105028, 112772, 115568, 130480, 131285, 140965, 143528, 144460, 150040, 158906, 179410, 190960, 197351, 202244, 205040, 210056, 225544, 252805, 262570, 281930, 287056, 288920, 300080, 317812, 358820, 394702, 397265, 404488, 420112, 451088, 505610, 525140, 556171, 563860, 577840, 635624, 717640, 789404, 794530, 808976, 873983, 986755, 1011220, 1050280, 1112342, 1127720, 1271248, 1435280, 1578808, 1589060, 1747966, 1973510, 2022440, 2100560, 2224684, 2255440, 2780855, 3157616, 3178120, 3495932, 3947020, 4044880, 4369915, 4449368, 5561710, 6117881, 6356240, 6991864, 7894040, 8739830, 8898736, 11123420, 12235762, 13983728, 15788080, 17479660, 22246840, 24471524, 30589405, 34959320, 44493680, 48943048, 61178810, 69918640, 97886096, 122357620, 244715240, 489430480]

約数ペア:

[(1, 489430480), (2, 244715240), (4, 122357620), (5, 97886096), (7, 69918640), (8, 61178810), (10, 48943048), (11, 44493680), (14, 34959320), (16, 30589405), (20, 24471524), (22, 22246840), (28, 17479660), (31, 15788080), (35, 13983728), (40, 12235762), (44, 11123420), (55, 8898736), (56, 8739830), (62, 7894040), (70, 6991864), (77, 6356240), (80, 6117881), (88, 5561710), (110, 4449368), (112, 4369915), (121, 4044880), (124, 3947020), (140, 3495932), (154, 3178120), (155, 3157616), (176, 2780855), (217, 2255440), (220, 2224684), (233, 2100560), (242, 2022440), (248, 1973510), (280, 1747966), (308, 1589060), (310, 1578808), (341, 1435280), (385, 1271248), (434, 1127720), (440, 1112342), (466, 1050280), (484, 1011220), (496, 986755), (560, 873983), (605, 808976), (616, 794530), (620, 789404), (682, 717640), (770, 635624), (847, 577840), (868, 563860), (880, 556171), (932, 525140), (968, 505610), (1085, 451088), (1165, 420112), (1210, 404488), (1232, 397265), (1240, 394702), (1364, 358820), (1540, 317812), (1631, 300080), (1694, 288920), (1705, 287056), (1736, 281930), (1864, 262570), (1936, 252805), (2170, 225544), (2330, 210056), (2387, 205040), (2420, 202244), (2480, 197351), (2563, 190960), (2728, 179410), (3080, 158906), (3262, 150040), (3388, 144460), (3410, 143528), (3472, 140965), (3728, 131285), (3751, 130480), (4235, 115568), (4340, 112772), (4660, 105028), (4774, 102520), (4840, 101122), (5126, 95480), (5456, 89705), (6160, 79453), (6524, 75020), (6776, 72230), (6820, 71764), (7223, 67760), (7502, 65240), (8155, 60016), (8470, 57784), (8680, 56386), (9320, 52514), (9548, 51260), (9680, 50561), (10252, 47740), (11935, 41008), (12815, 38192), (13048, 37510), (13552, 36115), (13640, 35882), (14446, 33880), (15004, 32620), (16310, 30008), (16940, 28892), (17360, 28193), (17941, 27280), (18640, 26257), (18755, 26096), (19096, 25630), (20504, 23870)]