321150080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16187}}^1$

素因数の和:16237

約数の個数: 64

約数和(自身を含む): 792564480

約数和(自身を除く): 471414400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 16187, 19840, 32374, 64748, 80935, 129496, 161870, 258992, 323740, 501797, 517984, 647480, 1003594, 1035968, 1294960, 2007188, 2071936, 2508985, 2589920, 4014376, 5017970, 5179840, 8028752, 10035940, 10359680, 16057504, 20071880, 32115008, 40143760, 64230016, 80287520, 160575040, 321150080]

約数ペア:

[(1, 321150080), (2, 160575040), (4, 80287520), (5, 64230016), (8, 40143760), (10, 32115008), (16, 20071880), (20, 16057504), (31, 10359680), (32, 10035940), (40, 8028752), (62, 5179840), (64, 5017970), (80, 4014376), (124, 2589920), (128, 2508985), (155, 2071936), (160, 2007188), (248, 1294960), (310, 1035968), (320, 1003594), (496, 647480), (620, 517984), (640, 501797), (992, 323740), (1240, 258992), (1984, 161870), (2480, 129496), (3968, 80935), (4960, 64748), (9920, 32374), (16187, 19840)]