212605120

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 224

約数和(自身を含む): 640080000

約数和(自身を除く): 427474880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 149, 160, 182, 196, 208, 224, 245, 260, 280, 298, 320, 343, 364, 392, 416, 448, 455, 490, 520, 560, 596, 637, 686, 728, 745, 784, 832, 910, 980, 1040, 1043, 1120, 1192, 1274, 1372, 1456, 1490, 1568, 1715, 1820, 1937, 1960, 2080, 2086, 2240, 2384, 2548, 2744, 2912, 2980, 3136, 3185, 3430, 3640, 3874, 3920, 4160, 4172, 4459, 4768, 5096, 5215, 5488, 5824, 5960, 6370, 6860, 7280, 7301, 7748, 7840, 8344, 8918, 9536, 9685, 10192, 10430, 10976, 11920, 12740, 13559, 13720, 14560, 14602, 15496, 15680, 16688, 17836, 19370, 20384, 20860, 21952, 22295, 23840, 25480, 27118, 27440, 29120, 29204, 30992, 33376, 35672, 36505, 38740, 40768, 41720, 44590, 47680, 50960, 51107, 54236, 54880, 58408, 61984, 66752, 67795, 71344, 73010, 77480, 83440, 89180, 94913, 101920, 102214, 108472, 109760, 116816, 123968, 135590, 142688, 146020, 154960, 166880, 178360, 189826, 203840, 204428, 216944, 233632, 255535, 271180, 285376, 292040, 309920, 333760, 356720, 379652, 408856, 433888, 467264, 474565, 511070, 542360, 584080, 619840, 664391, 713440, 759304, 817712, 867776, 949130, 1022140, 1084720, 1168160, 1328782, 1426880, 1518608, 1635424, 1898260, 2044280, 2169440, 2336320, 2657564, 3037216, 3270848, 3321955, 3796520, 4088560, 4338880, 5315128, 6074432, 6643910, 7593040, 8177120, 10630256, 13287820, 15186080, 16354240, 21260512, 26575640, 30372160, 42521024, 53151280, 106302560, 212605120]

約数ペア:

[(1, 212605120), (2, 106302560), (4, 53151280), (5, 42521024), (7, 30372160), (8, 26575640), (10, 21260512), (13, 16354240), (14, 15186080), (16, 13287820), (20, 10630256), (26, 8177120), (28, 7593040), (32, 6643910), (35, 6074432), (40, 5315128), (49, 4338880), (52, 4088560), (56, 3796520), (64, 3321955), (65, 3270848), (70, 3037216), (80, 2657564), (91, 2336320), (98, 2169440), (104, 2044280), (112, 1898260), (130, 1635424), (140, 1518608), (149, 1426880), (160, 1328782), (182, 1168160), (196, 1084720), (208, 1022140), (224, 949130), (245, 867776), (260, 817712), (280, 759304), (298, 713440), (320, 664391), (343, 619840), (364, 584080), (392, 542360), (416, 511070), (448, 474565), (455, 467264), (490, 433888), (520, 408856), (560, 379652), (596, 356720), (637, 333760), (686, 309920), (728, 292040), (745, 285376), (784, 271180), (832, 255535), (910, 233632), (980, 216944), (1040, 204428), (1043, 203840), (1120, 189826), (1192, 178360), (1274, 166880), (1372, 154960), (1456, 146020), (1490, 142688), (1568, 135590), (1715, 123968), (1820, 116816), (1937, 109760), (1960, 108472), (2080, 102214), (2086, 101920), (2240, 94913), (2384, 89180), (2548, 83440), (2744, 77480), (2912, 73010), (2980, 71344), (3136, 67795), (3185, 66752), (3430, 61984), (3640, 58408), (3874, 54880), (3920, 54236), (4160, 51107), (4172, 50960), (4459, 47680), (4768, 44590), (5096, 41720), (5215, 40768), (5488, 38740), (5824, 36505), (5960, 35672), (6370, 33376), (6860, 30992), (7280, 29204), (7301, 29120), (7748, 27440), (7840, 27118), (8344, 25480), (8918, 23840), (9536, 22295), (9685, 21952), (10192, 20860), (10430, 20384), (10976, 19370), (11920, 17836), (12740, 16688), (13559, 15680), (13720, 15496), (14560, 14602)]