120990816

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 358289568

約数和(自身を除く): 237298752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 71, 72, 96, 97, 122, 142, 144, 183, 194, 213, 244, 284, 288, 291, 366, 388, 426, 488, 549, 568, 582, 639, 732, 776, 852, 873, 976, 1098, 1136, 1164, 1278, 1464, 1552, 1704, 1746, 1952, 2196, 2272, 2328, 2556, 2928, 3104, 3408, 3492, 4331, 4392, 4656, 5112, 5856, 5917, 6816, 6887, 6984, 8662, 8784, 9312, 10224, 11834, 12993, 13774, 13968, 17324, 17568, 17751, 20448, 20661, 23668, 25986, 27548, 27936, 34648, 35502, 38979, 41322, 47336, 51972, 53253, 55096, 61983, 69296, 71004, 77958, 82644, 94672, 103944, 106506, 110192, 123966, 138592, 142008, 155916, 165288, 189344, 207888, 213012, 220384, 247932, 284016, 311832, 330576, 415776, 420107, 426024, 495864, 568032, 623664, 661152, 840214, 852048, 991728, 1247328, 1260321, 1680428, 1704096, 1983456, 2520642, 3360856, 3780963, 5041284, 6721712, 7561926, 10082568, 13443424, 15123852, 20165136, 30247704, 40330272, 60495408, 120990816]

約数ペア:

[(1, 120990816), (2, 60495408), (3, 40330272), (4, 30247704), (6, 20165136), (8, 15123852), (9, 13443424), (12, 10082568), (16, 7561926), (18, 6721712), (24, 5041284), (32, 3780963), (36, 3360856), (48, 2520642), (61, 1983456), (71, 1704096), (72, 1680428), (96, 1260321), (97, 1247328), (122, 991728), (142, 852048), (144, 840214), (183, 661152), (194, 623664), (213, 568032), (244, 495864), (284, 426024), (288, 420107), (291, 415776), (366, 330576), (388, 311832), (426, 284016), (488, 247932), (549, 220384), (568, 213012), (582, 207888), (639, 189344), (732, 165288), (776, 155916), (852, 142008), (873, 138592), (976, 123966), (1098, 110192), (1136, 106506), (1164, 103944), (1278, 94672), (1464, 82644), (1552, 77958), (1704, 71004), (1746, 69296), (1952, 61983), (2196, 55096), (2272, 53253), (2328, 51972), (2556, 47336), (2928, 41322), (3104, 38979), (3408, 35502), (3492, 34648), (4331, 27936), (4392, 27548), (4656, 25986), (5112, 23668), (5856, 20661), (5917, 20448), (6816, 17751), (6887, 17568), (6984, 17324), (8662, 13968), (8784, 13774), (9312, 12993), (10224, 11834)]