321011200

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 120

約数和(自身を含む): 822000960

約数和(自身を除く): 500989760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 809, 992, 1240, 1280, 1550, 1600, 1618, 1984, 2480, 2560, 3100, 3200, 3236, 3968, 4045, 4960, 6200, 6400, 6472, 7936, 8090, 9920, 12400, 12800, 12944, 15872, 16180, 19840, 20225, 24800, 25079, 25888, 32360, 39680, 40450, 49600, 50158, 51776, 64720, 79360, 80900, 99200, 100316, 103552, 125395, 129440, 161800, 198400, 200632, 207104, 250790, 258880, 323600, 396800, 401264, 414208, 501580, 517760, 626975, 647200, 802528, 1003160, 1035520, 1253950, 1294400, 1605056, 2006320, 2071040, 2507900, 2588800, 3210112, 4012640, 5015800, 5177600, 6420224, 8025280, 10031600, 10355200, 12840448, 16050560, 20063200, 32101120, 40126400, 64202240, 80252800, 160505600, 321011200]

約数ペア:

[(1, 321011200), (2, 160505600), (4, 80252800), (5, 64202240), (8, 40126400), (10, 32101120), (16, 20063200), (20, 16050560), (25, 12840448), (31, 10355200), (32, 10031600), (40, 8025280), (50, 6420224), (62, 5177600), (64, 5015800), (80, 4012640), (100, 3210112), (124, 2588800), (128, 2507900), (155, 2071040), (160, 2006320), (200, 1605056), (248, 1294400), (256, 1253950), (310, 1035520), (320, 1003160), (400, 802528), (496, 647200), (512, 626975), (620, 517760), (640, 501580), (775, 414208), (800, 401264), (809, 396800), (992, 323600), (1240, 258880), (1280, 250790), (1550, 207104), (1600, 200632), (1618, 198400), (1984, 161800), (2480, 129440), (2560, 125395), (3100, 103552), (3200, 100316), (3236, 99200), (3968, 80900), (4045, 79360), (4960, 64720), (6200, 51776), (6400, 50158), (6472, 49600), (7936, 40450), (8090, 39680), (9920, 32360), (12400, 25888), (12800, 25079), (12944, 24800), (15872, 20225), (16180, 19840)]