120508640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 144

約数和(自身を含む): 349045200

約数和(自身を除く): 228536560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 809, 931, 980, 1064, 1120, 1330, 1520, 1568, 1618, 1862, 1960, 2128, 2660, 3040, 3236, 3724, 3920, 4045, 4256, 4655, 5320, 5663, 6472, 7448, 7840, 8090, 9310, 10640, 11326, 12944, 14896, 15371, 16180, 18620, 21280, 22652, 25888, 28315, 29792, 30742, 32360, 37240, 39641, 45304, 56630, 61484, 64720, 74480, 76855, 79282, 90608, 107597, 113260, 122968, 129440, 148960, 153710, 158564, 181216, 198205, 215194, 226520, 245936, 307420, 317128, 396410, 430388, 453040, 491872, 537985, 614840, 634256, 753179, 792820, 860776, 906080, 1075970, 1229680, 1268512, 1506358, 1585640, 1721552, 2151940, 2459360, 3012716, 3171280, 3443104, 3765895, 4303880, 6025432, 6342560, 7531790, 8607760, 12050864, 15063580, 17215520, 24101728, 30127160, 60254320, 120508640]

約数ペア:

[(1, 120508640), (2, 60254320), (4, 30127160), (5, 24101728), (7, 17215520), (8, 15063580), (10, 12050864), (14, 8607760), (16, 7531790), (19, 6342560), (20, 6025432), (28, 4303880), (32, 3765895), (35, 3443104), (38, 3171280), (40, 3012716), (49, 2459360), (56, 2151940), (70, 1721552), (76, 1585640), (80, 1506358), (95, 1268512), (98, 1229680), (112, 1075970), (133, 906080), (140, 860776), (152, 792820), (160, 753179), (190, 634256), (196, 614840), (224, 537985), (245, 491872), (266, 453040), (280, 430388), (304, 396410), (380, 317128), (392, 307420), (490, 245936), (532, 226520), (560, 215194), (608, 198205), (665, 181216), (760, 158564), (784, 153710), (809, 148960), (931, 129440), (980, 122968), (1064, 113260), (1120, 107597), (1330, 90608), (1520, 79282), (1568, 76855), (1618, 74480), (1862, 64720), (1960, 61484), (2128, 56630), (2660, 45304), (3040, 39641), (3236, 37240), (3724, 32360), (3920, 30742), (4045, 29792), (4256, 28315), (4655, 25888), (5320, 22652), (5663, 21280), (6472, 18620), (7448, 16180), (7840, 15371), (8090, 14896), (9310, 12944), (10640, 11326)]