15648320

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 37795200

約数和(自身を除く): 22146880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 619, 632, 790, 1238, 1264, 1580, 2476, 2528, 3095, 3160, 4952, 5056, 6190, 6320, 9904, 12380, 12640, 19808, 24760, 25280, 39616, 48901, 49520, 97802, 99040, 195604, 198080, 244505, 391208, 489010, 782416, 978020, 1564832, 1956040, 3129664, 3912080, 7824160, 15648320]

約数ペア:

[(1, 15648320), (2, 7824160), (4, 3912080), (5, 3129664), (8, 1956040), (10, 1564832), (16, 978020), (20, 782416), (32, 489010), (40, 391208), (64, 244505), (79, 198080), (80, 195604), (158, 99040), (160, 97802), (316, 49520), (320, 48901), (395, 39616), (619, 25280), (632, 24760), (790, 19808), (1238, 12640), (1264, 12380), (1580, 9904), (2476, 6320), (2528, 6190), (3095, 5056), (3160, 4952)]