449415680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 160

約数和(自身を含む): 1272775680

約数和(自身を除く): 823360000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 809, 868, 896, 992, 1085, 1120, 1240, 1280, 1618, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 3236, 3472, 3584, 3968, 4045, 4340, 4480, 4960, 5663, 6472, 6944, 7936, 8090, 8680, 8960, 9920, 11326, 12944, 13888, 15872, 16180, 17360, 17920, 19840, 22652, 25079, 25888, 27776, 28315, 32360, 34720, 39680, 45304, 50158, 51776, 55552, 56630, 64720, 69440, 79360, 90608, 100316, 103552, 111104, 113260, 125395, 129440, 138880, 175553, 181216, 200632, 207104, 226520, 250790, 258880, 277760, 351106, 362432, 401264, 414208, 453040, 501580, 517760, 555520, 702212, 724864, 802528, 877765, 906080, 1003160, 1035520, 1404424, 1449728, 1605056, 1755530, 1812160, 2006320, 2071040, 2808848, 2899456, 3210112, 3511060, 3624320, 4012640, 5617696, 6420224, 7022120, 7248640, 8025280, 11235392, 12840448, 14044240, 14497280, 16050560, 22470784, 28088480, 32101120, 44941568, 56176960, 64202240, 89883136, 112353920, 224707840, 449415680]

約数ペア:

[(1, 449415680), (2, 224707840), (4, 112353920), (5, 89883136), (7, 64202240), (8, 56176960), (10, 44941568), (14, 32101120), (16, 28088480), (20, 22470784), (28, 16050560), (31, 14497280), (32, 14044240), (35, 12840448), (40, 11235392), (56, 8025280), (62, 7248640), (64, 7022120), (70, 6420224), (80, 5617696), (112, 4012640), (124, 3624320), (128, 3511060), (140, 3210112), (155, 2899456), (160, 2808848), (217, 2071040), (224, 2006320), (248, 1812160), (256, 1755530), (280, 1605056), (310, 1449728), (320, 1404424), (434, 1035520), (448, 1003160), (496, 906080), (512, 877765), (560, 802528), (620, 724864), (640, 702212), (809, 555520), (868, 517760), (896, 501580), (992, 453040), (1085, 414208), (1120, 401264), (1240, 362432), (1280, 351106), (1618, 277760), (1736, 258880), (1792, 250790), (1984, 226520), (2170, 207104), (2240, 200632), (2480, 181216), (2560, 175553), (3236, 138880), (3472, 129440), (3584, 125395), (3968, 113260), (4045, 111104), (4340, 103552), (4480, 100316), (4960, 90608), (5663, 79360), (6472, 69440), (6944, 64720), (7936, 56630), (8090, 55552), (8680, 51776), (8960, 50158), (9920, 45304), (11326, 39680), (12944, 34720), (13888, 32360), (15872, 28315), (16180, 27776), (17360, 25888), (17920, 25079), (19840, 22652)]