64839760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 159096960

約数和(自身を除く): 94257200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 269, 368, 460, 524, 538, 655, 920, 1048, 1076, 1310, 1345, 1840, 2096, 2152, 2620, 2690, 3013, 4304, 5240, 5380, 6026, 6187, 10480, 10760, 12052, 12374, 15065, 21520, 24104, 24748, 30130, 30935, 35239, 48208, 49496, 60260, 61870, 70478, 98992, 120520, 123740, 140956, 176195, 241040, 247480, 281912, 352390, 494960, 563824, 704780, 810497, 1409560, 1620994, 2819120, 3241988, 4052485, 6483976, 8104970, 12967952, 16209940, 32419880, 64839760]

約数ペア:

[(1, 64839760), (2, 32419880), (4, 16209940), (5, 12967952), (8, 8104970), (10, 6483976), (16, 4052485), (20, 3241988), (23, 2819120), (40, 1620994), (46, 1409560), (80, 810497), (92, 704780), (115, 563824), (131, 494960), (184, 352390), (230, 281912), (262, 247480), (269, 241040), (368, 176195), (460, 140956), (524, 123740), (538, 120520), (655, 98992), (920, 70478), (1048, 61870), (1076, 60260), (1310, 49496), (1345, 48208), (1840, 35239), (2096, 30935), (2152, 30130), (2620, 24748), (2690, 24104), (3013, 21520), (4304, 15065), (5240, 12374), (5380, 12052), (6026, 10760), (6187, 10480)]