123723480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 388915200

約数和(自身を除く): 265191720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 79, 93, 120, 124, 155, 158, 186, 237, 248, 310, 316, 372, 395, 421, 465, 474, 620, 632, 744, 790, 842, 930, 948, 1185, 1240, 1263, 1580, 1684, 1860, 1896, 2105, 2370, 2449, 2526, 3160, 3368, 3720, 4210, 4740, 4898, 5052, 6315, 7347, 8420, 9480, 9796, 10104, 12245, 12630, 13051, 14694, 16840, 19592, 24490, 25260, 26102, 29388, 33259, 36735, 39153, 48980, 50520, 52204, 58776, 65255, 66518, 73470, 78306, 97960, 99777, 104408, 130510, 133036, 146940, 156612, 166295, 195765, 199554, 261020, 266072, 293880, 313224, 332590, 391530, 399108, 498885, 522040, 665180, 783060, 798216, 997770, 1031029, 1330360, 1566120, 1995540, 2062058, 3093087, 3991080, 4124116, 5155145, 6186174, 8248232, 10310290, 12372348, 15465435, 20620580, 24744696, 30930870, 41241160, 61861740, 123723480]

約数ペア:

[(1, 123723480), (2, 61861740), (3, 41241160), (4, 30930870), (5, 24744696), (6, 20620580), (8, 15465435), (10, 12372348), (12, 10310290), (15, 8248232), (20, 6186174), (24, 5155145), (30, 4124116), (31, 3991080), (40, 3093087), (60, 2062058), (62, 1995540), (79, 1566120), (93, 1330360), (120, 1031029), (124, 997770), (155, 798216), (158, 783060), (186, 665180), (237, 522040), (248, 498885), (310, 399108), (316, 391530), (372, 332590), (395, 313224), (421, 293880), (465, 266072), (474, 261020), (620, 199554), (632, 195765), (744, 166295), (790, 156612), (842, 146940), (930, 133036), (948, 130510), (1185, 104408), (1240, 99777), (1263, 97960), (1580, 78306), (1684, 73470), (1860, 66518), (1896, 65255), (2105, 58776), (2370, 52204), (2449, 50520), (2526, 48980), (3160, 39153), (3368, 36735), (3720, 33259), (4210, 29388), (4740, 26102), (4898, 25260), (5052, 24490), (6315, 19592), (7347, 16840), (8420, 14694), (9480, 13051), (9796, 12630), (10104, 12245)]