245462560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 682577280

約数和(自身を除く): 437114720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 160, 196, 224, 239, 245, 262, 280, 392, 478, 490, 524, 560, 655, 784, 917, 956, 980, 1048, 1120, 1195, 1310, 1568, 1673, 1834, 1912, 1960, 2096, 2390, 2620, 3346, 3668, 3824, 3920, 4192, 4585, 4780, 5240, 6419, 6692, 7336, 7648, 7840, 8365, 9170, 9560, 10480, 11711, 12838, 13384, 14672, 16730, 18340, 19120, 20960, 23422, 25676, 26768, 29344, 31309, 32095, 33460, 36680, 38240, 46844, 51352, 53536, 58555, 62618, 64190, 66920, 73360, 93688, 102704, 117110, 125236, 128380, 133840, 146720, 156545, 187376, 205408, 219163, 234220, 250472, 256760, 267680, 313090, 374752, 438326, 468440, 500944, 513520, 626180, 876652, 936880, 1001888, 1027040, 1095815, 1252360, 1534141, 1753304, 1873760, 2191630, 2504720, 3068282, 3506608, 4383260, 5009440, 6136564, 7013216, 7670705, 8766520, 12273128, 15341410, 17533040, 24546256, 30682820, 35066080, 49092512, 61365640, 122731280, 245462560]

約数ペア:

[(1, 245462560), (2, 122731280), (4, 61365640), (5, 49092512), (7, 35066080), (8, 30682820), (10, 24546256), (14, 17533040), (16, 15341410), (20, 12273128), (28, 8766520), (32, 7670705), (35, 7013216), (40, 6136564), (49, 5009440), (56, 4383260), (70, 3506608), (80, 3068282), (98, 2504720), (112, 2191630), (131, 1873760), (140, 1753304), (160, 1534141), (196, 1252360), (224, 1095815), (239, 1027040), (245, 1001888), (262, 936880), (280, 876652), (392, 626180), (478, 513520), (490, 500944), (524, 468440), (560, 438326), (655, 374752), (784, 313090), (917, 267680), (956, 256760), (980, 250472), (1048, 234220), (1120, 219163), (1195, 205408), (1310, 187376), (1568, 156545), (1673, 146720), (1834, 133840), (1912, 128380), (1960, 125236), (2096, 117110), (2390, 102704), (2620, 93688), (3346, 73360), (3668, 66920), (3824, 64190), (3920, 62618), (4192, 58555), (4585, 53536), (4780, 51352), (5240, 46844), (6419, 38240), (6692, 36680), (7336, 33460), (7648, 32095), (7840, 31309), (8365, 29344), (9170, 26768), (9560, 25676), (10480, 23422), (11711, 20960), (12838, 19120), (13384, 18340), (14672, 16730)]