27720991280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{29741}}^1$

素因数の和:30006

約数の個数: 80

約数和(自身を含む): 65853070848

約数和(自身を除く): 38132079568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 191, 244, 305, 382, 488, 610, 764, 955, 976, 1220, 1528, 1910, 2440, 3056, 3820, 4880, 7640, 11651, 15280, 23302, 29741, 46604, 58255, 59482, 93208, 116510, 118964, 148705, 186416, 233020, 237928, 297410, 466040, 475856, 594820, 932080, 1189640, 1814201, 2379280, 3628402, 5680531, 7256804, 9071005, 11361062, 14513608, 18142010, 22722124, 28402655, 29027216, 36284020, 45444248, 56805310, 72568040, 90888496, 113610620, 145136080, 227221240, 346512391, 454442480, 693024782, 1386049564, 1732561955, 2772099128, 3465123910, 5544198256, 6930247820, 13860495640, 27720991280]

約数ペア:

[(1, 27720991280), (2, 13860495640), (4, 6930247820), (5, 5544198256), (8, 3465123910), (10, 2772099128), (16, 1732561955), (20, 1386049564), (40, 693024782), (61, 454442480), (80, 346512391), (122, 227221240), (191, 145136080), (244, 113610620), (305, 90888496), (382, 72568040), (488, 56805310), (610, 45444248), (764, 36284020), (955, 29027216), (976, 28402655), (1220, 22722124), (1528, 18142010), (1910, 14513608), (2440, 11361062), (3056, 9071005), (3820, 7256804), (4880, 5680531), (7640, 3628402), (11651, 2379280), (15280, 1814201), (23302, 1189640), (29741, 932080), (46604, 594820), (58255, 475856), (59482, 466040), (93208, 297410), (116510, 237928), (118964, 233020), (148705, 186416)]