259405120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 112

約数和(自身を含む): 671827968

約数和(自身を除く): 412422848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 491, 508, 520, 635, 832, 982, 1016, 1040, 1270, 1651, 1964, 2032, 2080, 2455, 2540, 3302, 3928, 4064, 4160, 4910, 5080, 6383, 6604, 7856, 8128, 8255, 9820, 10160, 12766, 13208, 15712, 16510, 19640, 20320, 25532, 26416, 31424, 31915, 33020, 39280, 40640, 51064, 52832, 62357, 63830, 66040, 78560, 102128, 105664, 124714, 127660, 132080, 157120, 204256, 249428, 255320, 264160, 311785, 408512, 498856, 510640, 528320, 623570, 810641, 997712, 1021280, 1247140, 1621282, 1995424, 2042560, 2494280, 3242564, 3990848, 4053205, 4988560, 6485128, 8106410, 9977120, 12970256, 16212820, 19954240, 25940512, 32425640, 51881024, 64851280, 129702560, 259405120]

約数ペア:

[(1, 259405120), (2, 129702560), (4, 64851280), (5, 51881024), (8, 32425640), (10, 25940512), (13, 19954240), (16, 16212820), (20, 12970256), (26, 9977120), (32, 8106410), (40, 6485128), (52, 4988560), (64, 4053205), (65, 3990848), (80, 3242564), (104, 2494280), (127, 2042560), (130, 1995424), (160, 1621282), (208, 1247140), (254, 1021280), (260, 997712), (320, 810641), (416, 623570), (491, 528320), (508, 510640), (520, 498856), (635, 408512), (832, 311785), (982, 264160), (1016, 255320), (1040, 249428), (1270, 204256), (1651, 157120), (1964, 132080), (2032, 127660), (2080, 124714), (2455, 105664), (2540, 102128), (3302, 78560), (3928, 66040), (4064, 63830), (4160, 62357), (4910, 52832), (5080, 51064), (6383, 40640), (6604, 39280), (7856, 33020), (8128, 31915), (8255, 31424), (9820, 26416), (10160, 25532), (12766, 20320), (13208, 19640), (15712, 16510)]