256932960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 144

約数和(自身を含む): 837790128

約数和(自身を除く): 580857168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 557, 620, 744, 930, 961, 992, 1114, 1240, 1488, 1671, 1860, 1922, 2228, 2480, 2785, 2883, 2976, 3342, 3720, 3844, 4456, 4805, 4960, 5570, 5766, 6684, 7440, 7688, 8355, 8912, 9610, 11140, 11532, 13368, 14415, 14880, 15376, 16710, 17267, 17824, 19220, 22280, 23064, 26736, 28830, 30752, 33420, 34534, 38440, 44560, 46128, 51801, 53472, 57660, 66840, 69068, 76880, 86335, 89120, 92256, 103602, 115320, 133680, 138136, 153760, 172670, 207204, 230640, 259005, 267360, 276272, 345340, 414408, 461280, 518010, 535277, 552544, 690680, 828816, 1036020, 1070554, 1381360, 1605831, 1657632, 2072040, 2141108, 2676385, 2762720, 3211662, 4144080, 4282216, 5352770, 6423324, 8029155, 8288160, 8564432, 10705540, 12846648, 16058310, 17128864, 21411080, 25693296, 32116620, 42822160, 51386592, 64233240, 85644320, 128466480, 256932960]

約数ペア:

[(1, 256932960), (2, 128466480), (3, 85644320), (4, 64233240), (5, 51386592), (6, 42822160), (8, 32116620), (10, 25693296), (12, 21411080), (15, 17128864), (16, 16058310), (20, 12846648), (24, 10705540), (30, 8564432), (31, 8288160), (32, 8029155), (40, 6423324), (48, 5352770), (60, 4282216), (62, 4144080), (80, 3211662), (93, 2762720), (96, 2676385), (120, 2141108), (124, 2072040), (155, 1657632), (160, 1605831), (186, 1381360), (240, 1070554), (248, 1036020), (310, 828816), (372, 690680), (465, 552544), (480, 535277), (496, 518010), (557, 461280), (620, 414408), (744, 345340), (930, 276272), (961, 267360), (992, 259005), (1114, 230640), (1240, 207204), (1488, 172670), (1671, 153760), (1860, 138136), (1922, 133680), (2228, 115320), (2480, 103602), (2785, 92256), (2883, 89120), (2976, 86335), (3342, 76880), (3720, 69068), (3844, 66840), (4456, 57660), (4805, 53472), (4960, 51801), (5570, 46128), (5766, 44560), (6684, 38440), (7440, 34534), (7688, 33420), (8355, 30752), (8912, 28830), (9610, 26736), (11140, 23064), (11532, 22280), (13368, 19220), (14415, 17824), (14880, 17267), (15376, 16710)]