178993080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 288

約数和(自身を含む): 690908400

約数和(自身を除く): 511915320

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, 73, 84, 90, 98, 105, 120, 126, 139, 140, 146, 147, 168, 180, 196, 210, 219, 245, 252, 278, 280, 292, 294, 315, 360, 365, 392, 417, 420, 438, 441, 490, 504, 511, 556, 584, 588, 630, 657, 695, 730, 735, 834, 840, 876, 882, 973, 980, 1022, 1095, 1112, 1176, 1251, 1260, 1314, 1390, 1460, 1470, 1533, 1668, 1752, 1764, 1946, 1960, 2044, 2085, 2190, 2205, 2502, 2520, 2555, 2628, 2780, 2919, 2920, 2940, 3066, 3285, 3336, 3528, 3577, 3892, 4088, 4170, 4380, 4410, 4599, 4865, 5004, 5110, 5256, 5560, 5838, 5880, 6132, 6255, 6570, 6811, 7154, 7665, 7784, 8340, 8757, 8760, 8820, 9198, 9730, 10008, 10147, 10220, 10731, 11676, 12264, 12510, 13140, 13622, 14308, 14595, 15330, 16680, 17514, 17640, 17885, 18396, 19460, 20294, 20433, 20440, 21462, 22995, 23352, 25020, 26280, 27244, 28616, 29190, 30441, 30660, 32193, 34055, 35028, 35770, 36792, 38920, 40588, 40866, 42924, 43785, 45990, 50040, 50735, 53655, 54488, 58380, 60882, 61299, 61320, 64386, 68110, 70056, 71029, 71540, 81176, 81732, 85848, 87570, 91323, 91980, 101470, 102165, 107310, 116760, 121764, 122598, 128772, 136220, 142058, 143080, 152205, 160965, 163464, 175140, 182646, 183960, 202940, 204330, 213087, 214620, 243528, 245196, 257544, 272440, 284116, 304410, 306495, 321930, 350280, 355145, 365292, 405880, 408660, 426174, 429240, 456615, 490392, 497203, 568232, 608820, 612990, 639261, 643860, 710290, 730584, 817320, 852348, 913230, 994406, 1065435, 1217640, 1225980, 1278522, 1287720, 1420580, 1491609, 1704696, 1826460, 1988812, 2130870, 2451960, 2486015, 2557044, 2841160, 2983218, 3196305, 3652920, 3977624, 4261740, 4474827, 4972030, 5114088, 5966436, 6392610, 7458045, 8523480, 8949654, 9944060, 11932872, 12785220, 14916090, 17899308, 19888120, 22374135, 25570440, 29832180, 35798616, 44748270, 59664360, 89496540, 178993080]

約数ペア:

[(1, 178993080), (2, 89496540), (3, 59664360), (4, 44748270), (5, 35798616), (6, 29832180), (7, 25570440), (8, 22374135), (9, 19888120), (10, 17899308), (12, 14916090), (14, 12785220), (15, 11932872), (18, 9944060), (20, 8949654), (21, 8523480), (24, 7458045), (28, 6392610), (30, 5966436), (35, 5114088), (36, 4972030), (40, 4474827), (42, 4261740), (45, 3977624), (49, 3652920), (56, 3196305), (60, 2983218), (63, 2841160), (70, 2557044), (72, 2486015), (73, 2451960), (84, 2130870), (90, 1988812), (98, 1826460), (105, 1704696), (120, 1491609), (126, 1420580), (139, 1287720), (140, 1278522), (146, 1225980), (147, 1217640), (168, 1065435), (180, 994406), (196, 913230), (210, 852348), (219, 817320), (245, 730584), (252, 710290), (278, 643860), (280, 639261), (292, 612990), (294, 608820), (315, 568232), (360, 497203), (365, 490392), (392, 456615), (417, 429240), (420, 426174), (438, 408660), (441, 405880), (490, 365292), (504, 355145), (511, 350280), (556, 321930), (584, 306495), (588, 304410), (630, 284116), (657, 272440), (695, 257544), (730, 245196), (735, 243528), (834, 214620), (840, 213087), (876, 204330), (882, 202940), (973, 183960), (980, 182646), (1022, 175140), (1095, 163464), (1112, 160965), (1176, 152205), (1251, 143080), (1260, 142058), (1314, 136220), (1390, 128772), (1460, 122598), (1470, 121764), (1533, 116760), (1668, 107310), (1752, 102165), (1764, 101470), (1946, 91980), (1960, 91323), (2044, 87570), (2085, 85848), (2190, 81732), (2205, 81176), (2502, 71540), (2520, 71029), (2555, 70056), (2628, 68110), (2780, 64386), (2919, 61320), (2920, 61299), (2940, 60882), (3066, 58380), (3285, 54488), (3336, 53655), (3528, 50735), (3577, 50040), (3892, 45990), (4088, 43785), (4170, 42924), (4380, 40866), (4410, 40588), (4599, 38920), (4865, 36792), (5004, 35770), (5110, 35028), (5256, 34055), (5560, 32193), (5838, 30660), (5880, 30441), (6132, 29190), (6255, 28616), (6570, 27244), (6811, 26280), (7154, 25020), (7665, 23352), (7784, 22995), (8340, 21462), (8757, 20440), (8760, 20433), (8820, 20294), (9198, 19460), (9730, 18396), (10008, 17885), (10147, 17640), (10220, 17514), (10731, 16680), (11676, 15330), (12264, 14595), (12510, 14308), (13140, 13622)]