7214760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{409}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 27342900

約数和(自身を除く): 20128140

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, 360, 392, 409, 420, 441, 490, 504, 588, 630, 735, 818, 840, 882, 980, 1176, 1227, 1260, 1470, 1636, 1764, 1960, 2045, 2205, 2454, 2520, 2863, 2940, 3272, 3528, 3681, 4090, 4410, 4908, 5726, 5880, 6135, 7362, 8180, 8589, 8820, 9816, 11452, 12270, 14315, 14724, 16360, 17178, 17640, 18405, 20041, 22904, 24540, 25767, 28630, 29448, 34356, 36810, 40082, 42945, 49080, 51534, 57260, 60123, 68712, 73620, 80164, 85890, 100205, 103068, 114520, 120246, 128835, 147240, 160328, 171780, 180369, 200410, 206136, 240492, 257670, 300615, 343560, 360738, 400820, 480984, 515340, 601230, 721476, 801640, 901845, 1030680, 1202460, 1442952, 1803690, 2404920, 3607380, 7214760]

約数ペア:

[(1, 7214760), (2, 3607380), (3, 2404920), (4, 1803690), (5, 1442952), (6, 1202460), (7, 1030680), (8, 901845), (9, 801640), (10, 721476), (12, 601230), (14, 515340), (15, 480984), (18, 400820), (20, 360738), (21, 343560), (24, 300615), (28, 257670), (30, 240492), (35, 206136), (36, 200410), (40, 180369), (42, 171780), (45, 160328), (49, 147240), (56, 128835), (60, 120246), (63, 114520), (70, 103068), (72, 100205), (84, 85890), (90, 80164), (98, 73620), (105, 68712), (120, 60123), (126, 57260), (140, 51534), (147, 49080), (168, 42945), (180, 40082), (196, 36810), (210, 34356), (245, 29448), (252, 28630), (280, 25767), (294, 24540), (315, 22904), (360, 20041), (392, 18405), (409, 17640), (420, 17178), (441, 16360), (490, 14724), (504, 14315), (588, 12270), (630, 11452), (735, 9816), (818, 8820), (840, 8589), (882, 8180), (980, 7362), (1176, 6135), (1227, 5880), (1260, 5726), (1470, 4908), (1636, 4410), (1764, 4090), (1960, 3681), (2045, 3528), (2205, 3272), (2454, 2940), (2520, 2863)]