71528320

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1623

約数の個数: 64

約数和(自身を含む): 173453040

約数和(自身を除く): 101924720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 1531, 2336, 2920, 3062, 4672, 5840, 6124, 7655, 9344, 11680, 12248, 15310, 23360, 24496, 30620, 46720, 48992, 61240, 97984, 111763, 122480, 195968, 223526, 244960, 447052, 489920, 558815, 894104, 979840, 1117630, 1788208, 2235260, 3576416, 4470520, 7152832, 8941040, 14305664, 17882080, 35764160, 71528320]

約数ペア:

[(1, 71528320), (2, 35764160), (4, 17882080), (5, 14305664), (8, 8941040), (10, 7152832), (16, 4470520), (20, 3576416), (32, 2235260), (40, 1788208), (64, 1117630), (73, 979840), (80, 894104), (128, 558815), (146, 489920), (160, 447052), (292, 244960), (320, 223526), (365, 195968), (584, 122480), (640, 111763), (730, 97984), (1168, 61240), (1460, 48992), (1531, 46720), (2336, 30620), (2920, 24496), (3062, 23360), (4672, 15310), (5840, 12248), (6124, 11680), (7655, 9344)]