489431280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1523}}^1$

素因数の和:1655

約数の個数: 160

約数和(自身を含む): 1650894336

約数和(自身を除く): 1161463056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 103, 104, 120, 130, 156, 195, 206, 208, 240, 260, 309, 312, 390, 412, 515, 520, 618, 624, 780, 824, 1030, 1040, 1236, 1339, 1523, 1545, 1560, 1648, 2060, 2472, 2678, 3046, 3090, 3120, 4017, 4120, 4569, 4944, 5356, 6092, 6180, 6695, 7615, 8034, 8240, 9138, 10712, 12184, 12360, 13390, 15230, 16068, 18276, 19799, 20085, 21424, 22845, 24368, 24720, 26780, 30460, 32136, 36552, 39598, 40170, 45690, 53560, 59397, 60920, 64272, 73104, 79196, 80340, 91380, 98995, 107120, 118794, 121840, 156869, 158392, 160680, 182760, 197990, 237588, 296985, 313738, 316784, 321360, 365520, 395980, 470607, 475176, 593970, 627476, 784345, 791960, 941214, 950352, 1187940, 1254952, 1568690, 1583920, 1882428, 2039297, 2353035, 2375880, 2509904, 3137380, 3764856, 4078594, 4706070, 4751760, 6117891, 6274760, 7529712, 8157188, 9412140, 10196485, 12235782, 12549520, 16314376, 18824280, 20392970, 24471564, 30589455, 32628752, 37648560, 40785940, 48943128, 61178910, 81571880, 97886256, 122357820, 163143760, 244715640, 489431280]

約数ペア:

[(1, 489431280), (2, 244715640), (3, 163143760), (4, 122357820), (5, 97886256), (6, 81571880), (8, 61178910), (10, 48943128), (12, 40785940), (13, 37648560), (15, 32628752), (16, 30589455), (20, 24471564), (24, 20392970), (26, 18824280), (30, 16314376), (39, 12549520), (40, 12235782), (48, 10196485), (52, 9412140), (60, 8157188), (65, 7529712), (78, 6274760), (80, 6117891), (103, 4751760), (104, 4706070), (120, 4078594), (130, 3764856), (156, 3137380), (195, 2509904), (206, 2375880), (208, 2353035), (240, 2039297), (260, 1882428), (309, 1583920), (312, 1568690), (390, 1254952), (412, 1187940), (515, 950352), (520, 941214), (618, 791960), (624, 784345), (780, 627476), (824, 593970), (1030, 475176), (1040, 470607), (1236, 395980), (1339, 365520), (1523, 321360), (1545, 316784), (1560, 313738), (1648, 296985), (2060, 237588), (2472, 197990), (2678, 182760), (3046, 160680), (3090, 158392), (3120, 156869), (4017, 121840), (4120, 118794), (4569, 107120), (4944, 98995), (5356, 91380), (6092, 80340), (6180, 79196), (6695, 73104), (7615, 64272), (8034, 60920), (8240, 59397), (9138, 53560), (10712, 45690), (12184, 40170), (12360, 39598), (13390, 36552), (15230, 32136), (16068, 30460), (18276, 26780), (19799, 24720), (20085, 24368), (21424, 22845)]