23405720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 39493480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 103, 104, 115, 130, 152, 184, 190, 206, 230, 247, 260, 299, 380, 412, 437, 460, 494, 515, 520, 598, 760, 824, 874, 920, 988, 1030, 1196, 1235, 1339, 1495, 1748, 1957, 1976, 2060, 2185, 2369, 2392, 2470, 2678, 2990, 3496, 3914, 4120, 4370, 4738, 4940, 5356, 5681, 5980, 6695, 7828, 8740, 9476, 9785, 9880, 10712, 11362, 11845, 11960, 13390, 15656, 17480, 18952, 19570, 22724, 23690, 25441, 26780, 28405, 30797, 39140, 45011, 45448, 47380, 50882, 53560, 56810, 61594, 78280, 90022, 94760, 101764, 113620, 123188, 127205, 153985, 180044, 203528, 225055, 227240, 246376, 254410, 307970, 360088, 450110, 508820, 585143, 615940, 900220, 1017640, 1170286, 1231880, 1800440, 2340572, 2925715, 4681144, 5851430, 11702860, 23405720]

約数ペア:

[(1, 23405720), (2, 11702860), (4, 5851430), (5, 4681144), (8, 2925715), (10, 2340572), (13, 1800440), (19, 1231880), (20, 1170286), (23, 1017640), (26, 900220), (38, 615940), (40, 585143), (46, 508820), (52, 450110), (65, 360088), (76, 307970), (92, 254410), (95, 246376), (103, 227240), (104, 225055), (115, 203528), (130, 180044), (152, 153985), (184, 127205), (190, 123188), (206, 113620), (230, 101764), (247, 94760), (260, 90022), (299, 78280), (380, 61594), (412, 56810), (437, 53560), (460, 50882), (494, 47380), (515, 45448), (520, 45011), (598, 39140), (760, 30797), (824, 28405), (874, 26780), (920, 25441), (988, 23690), (1030, 22724), (1196, 19570), (1235, 18952), (1339, 17480), (1495, 15656), (1748, 13390), (1957, 11960), (1976, 11845), (2060, 11362), (2185, 10712), (2369, 9880), (2392, 9785), (2470, 9476), (2678, 8740), (2990, 7828), (3496, 6695), (3914, 5980), (4120, 5681), (4370, 5356), (4738, 4940)]