207238720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1668

約数の個数: 112

約数和(自身を含む): 548932608

約数和(自身を除く): 341693888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1607, 1612, 1984, 2015, 2080, 2480, 3214, 3224, 4030, 4160, 4960, 6428, 6448, 8035, 8060, 9920, 12856, 12896, 16070, 16120, 20891, 25712, 25792, 32140, 32240, 41782, 49817, 51424, 64280, 64480, 83564, 99634, 102848, 104455, 128560, 128960, 167128, 199268, 208910, 249085, 257120, 334256, 398536, 417820, 498170, 514240, 647621, 668512, 797072, 835640, 996340, 1295242, 1337024, 1594144, 1671280, 1992680, 2590484, 3188288, 3238105, 3342560, 3985360, 5180968, 6476210, 6685120, 7970720, 10361936, 12952420, 15941440, 20723872, 25904840, 41447744, 51809680, 103619360, 207238720]

約数ペア:

[(1, 207238720), (2, 103619360), (4, 51809680), (5, 41447744), (8, 25904840), (10, 20723872), (13, 15941440), (16, 12952420), (20, 10361936), (26, 7970720), (31, 6685120), (32, 6476210), (40, 5180968), (52, 3985360), (62, 3342560), (64, 3238105), (65, 3188288), (80, 2590484), (104, 1992680), (124, 1671280), (130, 1594144), (155, 1337024), (160, 1295242), (208, 996340), (248, 835640), (260, 797072), (310, 668512), (320, 647621), (403, 514240), (416, 498170), (496, 417820), (520, 398536), (620, 334256), (806, 257120), (832, 249085), (992, 208910), (1040, 199268), (1240, 167128), (1607, 128960), (1612, 128560), (1984, 104455), (2015, 102848), (2080, 99634), (2480, 83564), (3214, 64480), (3224, 64280), (4030, 51424), (4160, 49817), (4960, 41782), (6428, 32240), (6448, 32140), (8035, 25792), (8060, 25712), (9920, 20891), (12856, 16120), (12896, 16070)]