18472680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 63406980

約数和(自身を除く): 44934300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 97, 115, 120, 138, 180, 184, 194, 207, 230, 276, 291, 345, 360, 388, 414, 460, 485, 529, 552, 582, 690, 776, 828, 873, 920, 970, 1035, 1058, 1164, 1380, 1455, 1587, 1656, 1746, 1940, 2070, 2116, 2231, 2328, 2645, 2760, 2910, 3174, 3492, 3880, 4140, 4232, 4365, 4462, 4761, 5290, 5820, 6348, 6693, 6984, 7935, 8280, 8730, 8924, 9522, 10580, 11155, 11640, 12696, 13386, 15870, 17460, 17848, 19044, 20079, 21160, 22310, 23805, 26772, 31740, 33465, 34920, 38088, 40158, 44620, 47610, 51313, 53544, 63480, 66930, 80316, 89240, 95220, 100395, 102626, 133860, 153939, 160632, 190440, 200790, 205252, 256565, 267720, 307878, 401580, 410504, 461817, 513130, 615756, 769695, 803160, 923634, 1026260, 1231512, 1539390, 1847268, 2052520, 2309085, 3078780, 3694536, 4618170, 6157560, 9236340, 18472680]

約数ペア:

[(1, 18472680), (2, 9236340), (3, 6157560), (4, 4618170), (5, 3694536), (6, 3078780), (8, 2309085), (9, 2052520), (10, 1847268), (12, 1539390), (15, 1231512), (18, 1026260), (20, 923634), (23, 803160), (24, 769695), (30, 615756), (36, 513130), (40, 461817), (45, 410504), (46, 401580), (60, 307878), (69, 267720), (72, 256565), (90, 205252), (92, 200790), (97, 190440), (115, 160632), (120, 153939), (138, 133860), (180, 102626), (184, 100395), (194, 95220), (207, 89240), (230, 80316), (276, 66930), (291, 63480), (345, 53544), (360, 51313), (388, 47610), (414, 44620), (460, 40158), (485, 38088), (529, 34920), (552, 33465), (582, 31740), (690, 26772), (776, 23805), (828, 22310), (873, 21160), (920, 20079), (970, 19044), (1035, 17848), (1058, 17460), (1164, 15870), (1380, 13386), (1455, 12696), (1587, 11640), (1656, 11155), (1746, 10580), (1940, 9522), (2070, 8924), (2116, 8730), (2231, 8280), (2328, 7935), (2645, 6984), (2760, 6693), (2910, 6348), (3174, 5820), (3492, 5290), (3880, 4761), (4140, 4462), (4232, 4365)]