172172280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 256

約数和(自身を含む): 622080000

約数和(自身を除く): 449907720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 84, 89, 94, 98, 105, 120, 140, 141, 147, 168, 178, 188, 196, 210, 235, 245, 267, 280, 282, 294, 329, 343, 356, 376, 392, 420, 445, 470, 490, 534, 564, 588, 623, 658, 686, 705, 712, 735, 840, 890, 940, 980, 987, 1029, 1068, 1128, 1176, 1246, 1316, 1335, 1372, 1410, 1470, 1645, 1715, 1780, 1869, 1880, 1960, 1974, 2058, 2136, 2303, 2492, 2632, 2670, 2744, 2820, 2940, 3115, 3290, 3430, 3560, 3738, 3948, 4116, 4183, 4361, 4606, 4935, 4984, 5145, 5340, 5640, 5880, 6230, 6580, 6860, 6909, 7476, 7896, 8232, 8366, 8722, 9212, 9345, 9870, 10290, 10680, 11515, 12460, 12549, 13083, 13160, 13720, 13818, 14952, 16121, 16732, 17444, 18424, 18690, 19740, 20580, 20915, 21805, 23030, 24920, 25098, 26166, 27636, 29281, 30527, 32242, 33464, 34545, 34888, 37380, 39480, 41160, 41830, 43610, 46060, 48363, 50196, 52332, 55272, 58562, 61054, 62745, 64484, 65415, 69090, 74760, 80605, 83660, 87220, 87843, 91581, 92120, 96726, 100392, 104664, 117124, 122108, 125490, 128968, 130830, 138180, 146405, 152635, 161210, 167320, 174440, 175686, 183162, 193452, 204967, 234248, 241815, 244216, 250980, 261660, 276360, 292810, 305270, 322420, 351372, 366324, 386904, 409934, 439215, 457905, 483630, 501960, 523320, 585620, 610540, 614901, 644840, 702744, 732648, 819868, 878430, 915810, 967260, 1024835, 1171240, 1221080, 1229802, 1434769, 1639736, 1756860, 1831620, 1934520, 2049670, 2459604, 2869538, 3074505, 3513720, 3663240, 4099340, 4304307, 4919208, 5739076, 6149010, 7173845, 8198680, 8608614, 11478152, 12298020, 14347690, 17217228, 21521535, 24596040, 28695380, 34434456, 43043070, 57390760, 86086140, 172172280]

約数ペア:

[(1, 172172280), (2, 86086140), (3, 57390760), (4, 43043070), (5, 34434456), (6, 28695380), (7, 24596040), (8, 21521535), (10, 17217228), (12, 14347690), (14, 12298020), (15, 11478152), (20, 8608614), (21, 8198680), (24, 7173845), (28, 6149010), (30, 5739076), (35, 4919208), (40, 4304307), (42, 4099340), (47, 3663240), (49, 3513720), (56, 3074505), (60, 2869538), (70, 2459604), (84, 2049670), (89, 1934520), (94, 1831620), (98, 1756860), (105, 1639736), (120, 1434769), (140, 1229802), (141, 1221080), (147, 1171240), (168, 1024835), (178, 967260), (188, 915810), (196, 878430), (210, 819868), (235, 732648), (245, 702744), (267, 644840), (280, 614901), (282, 610540), (294, 585620), (329, 523320), (343, 501960), (356, 483630), (376, 457905), (392, 439215), (420, 409934), (445, 386904), (470, 366324), (490, 351372), (534, 322420), (564, 305270), (588, 292810), (623, 276360), (658, 261660), (686, 250980), (705, 244216), (712, 241815), (735, 234248), (840, 204967), (890, 193452), (940, 183162), (980, 175686), (987, 174440), (1029, 167320), (1068, 161210), (1128, 152635), (1176, 146405), (1246, 138180), (1316, 130830), (1335, 128968), (1372, 125490), (1410, 122108), (1470, 117124), (1645, 104664), (1715, 100392), (1780, 96726), (1869, 92120), (1880, 91581), (1960, 87843), (1974, 87220), (2058, 83660), (2136, 80605), (2303, 74760), (2492, 69090), (2632, 65415), (2670, 64484), (2744, 62745), (2820, 61054), (2940, 58562), (3115, 55272), (3290, 52332), (3430, 50196), (3560, 48363), (3738, 46060), (3948, 43610), (4116, 41830), (4183, 41160), (4361, 39480), (4606, 37380), (4935, 34888), (4984, 34545), (5145, 33464), (5340, 32242), (5640, 30527), (5880, 29281), (6230, 27636), (6580, 26166), (6860, 25098), (6909, 24920), (7476, 23030), (7896, 21805), (8232, 20915), (8366, 20580), (8722, 19740), (9212, 18690), (9345, 18424), (9870, 17444), (10290, 16732), (10680, 16121), (11515, 14952), (12460, 13818), (12549, 13720), (13083, 13160)]