20797284960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2693}}^1$

素因数の和:2918

約数の個数: 288

約数和(自身を含む): 73710943488

約数和(自身を除く): 52913658528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 173, 180, 186, 240, 248, 279, 288, 310, 346, 360, 372, 465, 480, 496, 519, 558, 620, 692, 720, 744, 865, 930, 992, 1038, 1116, 1240, 1384, 1395, 1440, 1488, 1557, 1730, 1860, 2076, 2232, 2480, 2595, 2693, 2768, 2790, 2976, 3114, 3460, 3720, 4152, 4464, 4960, 5190, 5363, 5386, 5536, 5580, 6228, 6920, 7440, 7785, 8079, 8304, 8928, 10380, 10726, 10772, 11160, 12456, 13465, 13840, 14880, 15570, 16089, 16158, 16608, 20760, 21452, 21544, 22320, 24237, 24912, 26815, 26930, 27680, 31140, 32178, 32316, 40395, 41520, 42904, 43088, 44640, 48267, 48474, 49824, 53630, 53860, 62280, 64356, 64632, 80445, 80790, 83040, 83483, 85808, 86176, 96534, 96948, 107260, 107720, 121185, 124560, 128712, 129264, 160890, 161580, 166966, 171616, 193068, 193896, 214520, 215440, 241335, 242370, 249120, 250449, 257424, 258528, 321780, 323160, 333932, 386136, 387792, 417415, 429040, 430880, 465889, 482670, 484740, 500898, 514848, 643560, 646320, 667864, 751347, 772272, 775584, 834830, 858080, 931778, 965340, 969480, 1001796, 1252245, 1287120, 1292640, 1335728, 1397667, 1502694, 1544544, 1669660, 1863556, 1930680, 1938960, 2003592, 2329445, 2504490, 2574240, 2671456, 2795334, 3005388, 3339320, 3727112, 3756735, 3861360, 3877920, 4007184, 4193001, 4658890, 5008980, 5590668, 6010776, 6678640, 6988335, 7454224, 7513470, 7722720, 8014368, 8386002, 9317780, 10017960, 11181336, 12021552, 13357280, 13976670, 14442559, 14908448, 15026940, 16772004, 18635560, 20035920, 20965005, 22362672, 24043104, 27953340, 28885118, 30053880, 33544008, 37271120, 40071840, 41930010, 43327677, 44725344, 55906680, 57770236, 60107760, 67088016, 72212795, 74542240, 83860020, 86655354, 111813360, 115540472, 120215520, 129983031, 134176032, 144425590, 167720040, 173310708, 216638385, 223626720, 231080944, 259966062, 288851180, 335440080, 346621416, 433276770, 462161888, 519932124, 577702360, 649915155, 670880160, 693242832, 866553540, 1039864248, 1155404720, 1299830310, 1386485664, 1733107080, 2079728496, 2310809440, 2599660620, 3466214160, 4159456992, 5199321240, 6932428320, 10398642480, 20797284960]

約数ペア:

[(1, 20797284960), (2, 10398642480), (3, 6932428320), (4, 5199321240), (5, 4159456992), (6, 3466214160), (8, 2599660620), (9, 2310809440), (10, 2079728496), (12, 1733107080), (15, 1386485664), (16, 1299830310), (18, 1155404720), (20, 1039864248), (24, 866553540), (30, 693242832), (31, 670880160), (32, 649915155), (36, 577702360), (40, 519932124), (45, 462161888), (48, 433276770), (60, 346621416), (62, 335440080), (72, 288851180), (80, 259966062), (90, 231080944), (93, 223626720), (96, 216638385), (120, 173310708), (124, 167720040), (144, 144425590), (155, 134176032), (160, 129983031), (173, 120215520), (180, 115540472), (186, 111813360), (240, 86655354), (248, 83860020), (279, 74542240), (288, 72212795), (310, 67088016), (346, 60107760), (360, 57770236), (372, 55906680), (465, 44725344), (480, 43327677), (496, 41930010), (519, 40071840), (558, 37271120), (620, 33544008), (692, 30053880), (720, 28885118), (744, 27953340), (865, 24043104), (930, 22362672), (992, 20965005), (1038, 20035920), (1116, 18635560), (1240, 16772004), (1384, 15026940), (1395, 14908448), (1440, 14442559), (1488, 13976670), (1557, 13357280), (1730, 12021552), (1860, 11181336), (2076, 10017960), (2232, 9317780), (2480, 8386002), (2595, 8014368), (2693, 7722720), (2768, 7513470), (2790, 7454224), (2976, 6988335), (3114, 6678640), (3460, 6010776), (3720, 5590668), (4152, 5008980), (4464, 4658890), (4960, 4193001), (5190, 4007184), (5363, 3877920), (5386, 3861360), (5536, 3756735), (5580, 3727112), (6228, 3339320), (6920, 3005388), (7440, 2795334), (7785, 2671456), (8079, 2574240), (8304, 2504490), (8928, 2329445), (10380, 2003592), (10726, 1938960), (10772, 1930680), (11160, 1863556), (12456, 1669660), (13465, 1544544), (13840, 1502694), (14880, 1397667), (15570, 1335728), (16089, 1292640), (16158, 1287120), (16608, 1252245), (20760, 1001796), (21452, 969480), (21544, 965340), (22320, 931778), (24237, 858080), (24912, 834830), (26815, 775584), (26930, 772272), (27680, 751347), (31140, 667864), (32178, 646320), (32316, 643560), (40395, 514848), (41520, 500898), (42904, 484740), (43088, 482670), (44640, 465889), (48267, 430880), (48474, 429040), (49824, 417415), (53630, 387792), (53860, 386136), (62280, 333932), (64356, 323160), (64632, 321780), (80445, 258528), (80790, 257424), (83040, 250449), (83483, 249120), (85808, 242370), (86176, 241335), (96534, 215440), (96948, 214520), (107260, 193896), (107720, 193068), (121185, 171616), (124560, 166966), (128712, 161580), (129264, 160890)]