72681392

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 100878928

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 59, 68, 112, 118, 119, 136, 236, 238, 272, 413, 472, 476, 647, 826, 944, 952, 1003, 1294, 1652, 1904, 2006, 2588, 3304, 4012, 4529, 5176, 6608, 7021, 8024, 9058, 10352, 10999, 14042, 16048, 18116, 21998, 28084, 36232, 38173, 43996, 56168, 72464, 76346, 76993, 87992, 112336, 152692, 153986, 175984, 267211, 305384, 307972, 534422, 610768, 615944, 648941, 1068844, 1231888, 1297882, 2137688, 2595764, 4275376, 4542587, 5191528, 9085174, 10383056, 18170348, 36340696, 72681392]

約数ペア:

[(1, 72681392), (2, 36340696), (4, 18170348), (7, 10383056), (8, 9085174), (14, 5191528), (16, 4542587), (17, 4275376), (28, 2595764), (34, 2137688), (56, 1297882), (59, 1231888), (68, 1068844), (112, 648941), (118, 615944), (119, 610768), (136, 534422), (236, 307972), (238, 305384), (272, 267211), (413, 175984), (472, 153986), (476, 152692), (647, 112336), (826, 87992), (944, 76993), (952, 76346), (1003, 72464), (1294, 56168), (1652, 43996), (1904, 38173), (2006, 36232), (2588, 28084), (3304, 21998), (4012, 18116), (4529, 16048), (5176, 14042), (6608, 10999), (7021, 10352), (8024, 9058)]