123480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3$

素因数の和:38

約数の個数: 96

約数和(自身を含む): 468000

約数和(自身を除く): 344520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 490, 504, 588, 630, 686, 735, 840, 882, 980, 1029, 1176, 1260, 1372, 1470, 1715, 1764, 1960, 2058, 2205, 2520, 2744, 2940, 3087, 3430, 3528, 4116, 4410, 5145, 5880, 6174, 6860, 8232, 8820, 10290, 12348, 13720, 15435, 17640, 20580, 24696, 30870, 41160, 61740, 123480]

約数ペア:

[(1, 123480), (2, 61740), (3, 41160), (4, 30870), (5, 24696), (6, 20580), (7, 17640), (8, 15435), (9, 13720), (10, 12348), (12, 10290), (14, 8820), (15, 8232), (18, 6860), (20, 6174), (21, 5880), (24, 5145), (28, 4410), (30, 4116), (35, 3528), (36, 3430), (40, 3087), (42, 2940), (45, 2744), (49, 2520), (56, 2205), (60, 2058), (63, 1960), (70, 1764), (72, 1715), (84, 1470), (90, 1372), (98, 1260), (105, 1176), (120, 1029), (126, 980), (140, 882), (147, 840), (168, 735), (180, 686), (196, 630), (210, 588), (245, 504), (252, 490), (280, 441), (294, 420), (315, 392), (343, 360)]