312501280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 921231360

約数和(自身を除く): 608730080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 169, 182, 208, 224, 254, 260, 280, 338, 364, 416, 455, 508, 520, 560, 635, 676, 728, 845, 889, 910, 1016, 1040, 1120, 1183, 1270, 1352, 1456, 1651, 1690, 1778, 1820, 2032, 2080, 2197, 2366, 2540, 2704, 2912, 3302, 3380, 3556, 3640, 4064, 4394, 4445, 4732, 5080, 5408, 5915, 6604, 6760, 7112, 7280, 8255, 8788, 8890, 9464, 10160, 10985, 11557, 11830, 13208, 13520, 14224, 14560, 15379, 16510, 17576, 17780, 18928, 20320, 21463, 21970, 23114, 23660, 26416, 27040, 28448, 30758, 33020, 35152, 35560, 37856, 42926, 43940, 46228, 47320, 52832, 57785, 61516, 66040, 70304, 71120, 76895, 85852, 87880, 92456, 94640, 107315, 115570, 123032, 132080, 142240, 150241, 153790, 171704, 175760, 184912, 189280, 214630, 231140, 246064, 264160, 279019, 300482, 307580, 343408, 351520, 369824, 429260, 462280, 492128, 558038, 600964, 615160, 686816, 751205, 858520, 924560, 1116076, 1201928, 1230320, 1395095, 1502410, 1717040, 1849120, 1953133, 2232152, 2403856, 2460640, 2790190, 3004820, 3434080, 3906266, 4464304, 4807712, 5580380, 6009640, 7812532, 8928608, 9765665, 11160760, 12019280, 15625064, 19531330, 22321520, 24038560, 31250128, 39062660, 44643040, 62500256, 78125320, 156250640, 312501280]

約数ペア:

[(1, 312501280), (2, 156250640), (4, 78125320), (5, 62500256), (7, 44643040), (8, 39062660), (10, 31250128), (13, 24038560), (14, 22321520), (16, 19531330), (20, 15625064), (26, 12019280), (28, 11160760), (32, 9765665), (35, 8928608), (40, 7812532), (52, 6009640), (56, 5580380), (65, 4807712), (70, 4464304), (80, 3906266), (91, 3434080), (104, 3004820), (112, 2790190), (127, 2460640), (130, 2403856), (140, 2232152), (160, 1953133), (169, 1849120), (182, 1717040), (208, 1502410), (224, 1395095), (254, 1230320), (260, 1201928), (280, 1116076), (338, 924560), (364, 858520), (416, 751205), (455, 686816), (508, 615160), (520, 600964), (560, 558038), (635, 492128), (676, 462280), (728, 429260), (845, 369824), (889, 351520), (910, 343408), (1016, 307580), (1040, 300482), (1120, 279019), (1183, 264160), (1270, 246064), (1352, 231140), (1456, 214630), (1651, 189280), (1690, 184912), (1778, 175760), (1820, 171704), (2032, 153790), (2080, 150241), (2197, 142240), (2366, 132080), (2540, 123032), (2704, 115570), (2912, 107315), (3302, 94640), (3380, 92456), (3556, 87880), (3640, 85852), (4064, 76895), (4394, 71120), (4445, 70304), (4732, 66040), (5080, 61516), (5408, 57785), (5915, 52832), (6604, 47320), (6760, 46228), (7112, 43940), (7280, 42926), (8255, 37856), (8788, 35560), (8890, 35152), (9464, 33020), (10160, 30758), (10985, 28448), (11557, 27040), (11830, 26416), (13208, 23660), (13520, 23114), (14224, 21970), (14560, 21463), (15379, 20320), (16510, 18928), (17576, 17780)]