21278379168

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:636

約数の個数: 288

約数和(自身を含む): 64345881600

約数和(自身を除く): 43067502432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 61, 62, 72, 89, 93, 96, 122, 124, 144, 178, 183, 186, 244, 248, 267, 279, 288, 356, 366, 372, 439, 488, 496, 534, 549, 558, 712, 732, 744, 801, 878, 976, 992, 1068, 1098, 1116, 1317, 1424, 1464, 1488, 1602, 1756, 1891, 1952, 2136, 2196, 2232, 2634, 2759, 2848, 2928, 2976, 3204, 3512, 3782, 3951, 4272, 4392, 4464, 5268, 5429, 5518, 5673, 5856, 6408, 7024, 7564, 7902, 8277, 8544, 8784, 8928, 10536, 10858, 11036, 11346, 12816, 13609, 14048, 15128, 15804, 16287, 16554, 17019, 17568, 21072, 21716, 22072, 22692, 24831, 25632, 26779, 27218, 30256, 31608, 32574, 33108, 34038, 39071, 40827, 42144, 43432, 44144, 45384, 48861, 49662, 53558, 54436, 60512, 63216, 65148, 66216, 68076, 78142, 80337, 81654, 86864, 88288, 90768, 97722, 99324, 107116, 108872, 117213, 122481, 126432, 130296, 132432, 136152, 156284, 160674, 163308, 168299, 173728, 181536, 195444, 198648, 214232, 217744, 234426, 241011, 244962, 260592, 264864, 272304, 312568, 321348, 326616, 336598, 351639, 390888, 397296, 428464, 435488, 468852, 482022, 489924, 504897, 521184, 544608, 625136, 642696, 653232, 673196, 703278, 781776, 794592, 830149, 856928, 937704, 964044, 979848, 1009794, 1211201, 1250272, 1285392, 1306464, 1346392, 1406556, 1514691, 1563552, 1660298, 1875408, 1928088, 1959696, 2019588, 2383331, 2422402, 2490447, 2570784, 2692784, 2813112, 3029382, 3320596, 3633603, 3750816, 3856176, 3919392, 4039176, 4766662, 4844804, 4980894, 5385568, 5626224, 6058764, 6641192, 7149993, 7267206, 7471341, 7712352, 8078352, 9533324, 9689608, 9961788, 10900809, 11252448, 12117528, 13282384, 14299986, 14534412, 14942682, 16156704, 19066648, 19379216, 19923576, 21449979, 21801618, 24235056, 26564768, 28599972, 29068824, 29885364, 38133296, 38758432, 39847152, 42899958, 43603236, 48470112, 57199944, 58137648, 59770728, 73883261, 76266592, 79694304, 85799916, 87206472, 114399888, 116275296, 119541456, 147766522, 171599832, 174412944, 221649783, 228799776, 239082912, 295533044, 343199664, 348825888, 443299566, 591066088, 664949349, 686399328, 886599132, 1182132176, 1329898698, 1773198264, 2364264352, 2659797396, 3546396528, 5319594792, 7092793056, 10639189584, 21278379168]

約数ペア:

[(1, 21278379168), (2, 10639189584), (3, 7092793056), (4, 5319594792), (6, 3546396528), (8, 2659797396), (9, 2364264352), (12, 1773198264), (16, 1329898698), (18, 1182132176), (24, 886599132), (31, 686399328), (32, 664949349), (36, 591066088), (48, 443299566), (61, 348825888), (62, 343199664), (72, 295533044), (89, 239082912), (93, 228799776), (96, 221649783), (122, 174412944), (124, 171599832), (144, 147766522), (178, 119541456), (183, 116275296), (186, 114399888), (244, 87206472), (248, 85799916), (267, 79694304), (279, 76266592), (288, 73883261), (356, 59770728), (366, 58137648), (372, 57199944), (439, 48470112), (488, 43603236), (496, 42899958), (534, 39847152), (549, 38758432), (558, 38133296), (712, 29885364), (732, 29068824), (744, 28599972), (801, 26564768), (878, 24235056), (976, 21801618), (992, 21449979), (1068, 19923576), (1098, 19379216), (1116, 19066648), (1317, 16156704), (1424, 14942682), (1464, 14534412), (1488, 14299986), (1602, 13282384), (1756, 12117528), (1891, 11252448), (1952, 10900809), (2136, 9961788), (2196, 9689608), (2232, 9533324), (2634, 8078352), (2759, 7712352), (2848, 7471341), (2928, 7267206), (2976, 7149993), (3204, 6641192), (3512, 6058764), (3782, 5626224), (3951, 5385568), (4272, 4980894), (4392, 4844804), (4464, 4766662), (5268, 4039176), (5429, 3919392), (5518, 3856176), (5673, 3750816), (5856, 3633603), (6408, 3320596), (7024, 3029382), (7564, 2813112), (7902, 2692784), (8277, 2570784), (8544, 2490447), (8784, 2422402), (8928, 2383331), (10536, 2019588), (10858, 1959696), (11036, 1928088), (11346, 1875408), (12816, 1660298), (13609, 1563552), (14048, 1514691), (15128, 1406556), (15804, 1346392), (16287, 1306464), (16554, 1285392), (17019, 1250272), (17568, 1211201), (21072, 1009794), (21716, 979848), (22072, 964044), (22692, 937704), (24831, 856928), (25632, 830149), (26779, 794592), (27218, 781776), (30256, 703278), (31608, 673196), (32574, 653232), (33108, 642696), (34038, 625136), (39071, 544608), (40827, 521184), (42144, 504897), (43432, 489924), (44144, 482022), (45384, 468852), (48861, 435488), (49662, 428464), (53558, 397296), (54436, 390888), (60512, 351639), (63216, 336598), (65148, 326616), (66216, 321348), (68076, 312568), (78142, 272304), (80337, 264864), (81654, 260592), (86864, 244962), (88288, 241011), (90768, 234426), (97722, 217744), (99324, 214232), (107116, 198648), (108872, 195444), (117213, 181536), (122481, 173728), (126432, 168299), (130296, 163308), (132432, 160674), (136152, 156284)]