278967960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 192

約数和(自身を含む): 973814400

約数和(自身を除く): 694846440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 79, 85, 90, 102, 120, 136, 153, 158, 170, 180, 204, 237, 255, 306, 316, 340, 360, 395, 408, 474, 510, 577, 612, 632, 680, 711, 765, 790, 948, 1020, 1154, 1185, 1224, 1343, 1422, 1530, 1580, 1731, 1896, 2040, 2308, 2370, 2686, 2844, 2885, 3060, 3160, 3462, 3555, 4029, 4616, 4740, 5193, 5372, 5688, 5770, 6120, 6715, 6924, 7110, 8058, 8655, 9480, 9809, 10386, 10744, 11540, 12087, 13430, 13848, 14220, 16116, 17310, 19618, 20145, 20772, 23080, 24174, 25965, 26860, 28440, 29427, 32232, 34620, 39236, 40290, 41544, 45583, 48348, 49045, 51930, 53720, 58854, 60435, 69240, 78472, 80580, 88281, 91166, 96696, 98090, 103860, 117708, 120870, 136749, 147135, 161160, 176562, 182332, 196180, 207720, 227915, 235416, 241740, 273498, 294270, 353124, 364664, 392360, 410247, 441405, 455830, 483480, 546996, 588540, 683745, 706248, 774911, 820494, 882810, 911660, 1093992, 1177080, 1367490, 1549822, 1640988, 1765620, 1823320, 2051235, 2324733, 2734980, 3099644, 3281976, 3531240, 3874555, 4102470, 4649466, 5469960, 6199288, 6974199, 7749110, 8204940, 9298932, 11623665, 13948398, 15498220, 16409880, 18597864, 23247330, 27896796, 30996440, 34870995, 46494660, 55793592, 69741990, 92989320, 139483980, 278967960]

約数ペア:

[(1, 278967960), (2, 139483980), (3, 92989320), (4, 69741990), (5, 55793592), (6, 46494660), (8, 34870995), (9, 30996440), (10, 27896796), (12, 23247330), (15, 18597864), (17, 16409880), (18, 15498220), (20, 13948398), (24, 11623665), (30, 9298932), (34, 8204940), (36, 7749110), (40, 6974199), (45, 6199288), (51, 5469960), (60, 4649466), (68, 4102470), (72, 3874555), (79, 3531240), (85, 3281976), (90, 3099644), (102, 2734980), (120, 2324733), (136, 2051235), (153, 1823320), (158, 1765620), (170, 1640988), (180, 1549822), (204, 1367490), (237, 1177080), (255, 1093992), (306, 911660), (316, 882810), (340, 820494), (360, 774911), (395, 706248), (408, 683745), (474, 588540), (510, 546996), (577, 483480), (612, 455830), (632, 441405), (680, 410247), (711, 392360), (765, 364664), (790, 353124), (948, 294270), (1020, 273498), (1154, 241740), (1185, 235416), (1224, 227915), (1343, 207720), (1422, 196180), (1530, 182332), (1580, 176562), (1731, 161160), (1896, 147135), (2040, 136749), (2308, 120870), (2370, 117708), (2686, 103860), (2844, 98090), (2885, 96696), (3060, 91166), (3160, 88281), (3462, 80580), (3555, 78472), (4029, 69240), (4616, 60435), (4740, 58854), (5193, 53720), (5372, 51930), (5688, 49045), (5770, 48348), (6120, 45583), (6715, 41544), (6924, 40290), (7110, 39236), (8058, 34620), (8655, 32232), (9480, 29427), (9809, 28440), (10386, 26860), (10744, 25965), (11540, 24174), (12087, 23080), (13430, 20772), (13848, 20145), (14220, 19618), (16116, 17310)]