208630240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 651551040

約数和(自身を除く): 442920800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 49, 52, 56, 65, 70, 80, 89, 91, 92, 98, 104, 112, 115, 130, 140, 160, 161, 178, 182, 184, 196, 208, 224, 230, 245, 260, 280, 299, 322, 356, 364, 368, 392, 416, 445, 455, 460, 490, 520, 560, 598, 623, 637, 644, 712, 728, 736, 784, 805, 890, 910, 920, 980, 1040, 1120, 1127, 1157, 1196, 1246, 1274, 1288, 1424, 1456, 1495, 1568, 1610, 1780, 1820, 1840, 1960, 2047, 2080, 2093, 2254, 2314, 2392, 2492, 2548, 2576, 2848, 2912, 2990, 3115, 3185, 3220, 3560, 3640, 3680, 3920, 4094, 4186, 4361, 4508, 4628, 4784, 4984, 5096, 5152, 5635, 5785, 5980, 6230, 6370, 6440, 7120, 7280, 7840, 8099, 8188, 8372, 8722, 9016, 9256, 9568, 9968, 10192, 10235, 10465, 11270, 11570, 11960, 12460, 12740, 12880, 14240, 14329, 14560, 14651, 16198, 16376, 16744, 17444, 18032, 18512, 19936, 20384, 20470, 20930, 21805, 22540, 23140, 23920, 24920, 25480, 25760, 26611, 28658, 29302, 32396, 32752, 33488, 34888, 36064, 37024, 40495, 40940, 41860, 43610, 45080, 46280, 47840, 49840, 50960, 53222, 56693, 57316, 58604, 64792, 65504, 66976, 69776, 71645, 73255, 80990, 81880, 83720, 87220, 90160, 92560, 99680, 100303, 101920, 106444, 113386, 114632, 117208, 129584, 133055, 139552, 143290, 146510, 161980, 163760, 167440, 174440, 180320, 185120, 186277, 200606, 212888, 226772, 229264, 234416, 259168, 266110, 283465, 286580, 293020, 323960, 327520, 334880, 348880, 372554, 401212, 425776, 453544, 458528, 468832, 501515, 532220, 566930, 573160, 586040, 647920, 697760, 745108, 802424, 851552, 907088, 931385, 1003030, 1064440, 1133860, 1146320, 1172080, 1295840, 1303939, 1490216, 1604848, 1814176, 1862770, 2006060, 2128880, 2267720, 2292640, 2344160, 2607878, 2980432, 3209696, 3725540, 4012120, 4257760, 4535440, 5215756, 5960864, 6519695, 7451080, 8024240, 9070880, 10431512, 13039390, 14902160, 16048480, 20863024, 26078780, 29804320, 41726048, 52157560, 104315120, 208630240]

約数ペア:

[(1, 208630240), (2, 104315120), (4, 52157560), (5, 41726048), (7, 29804320), (8, 26078780), (10, 20863024), (13, 16048480), (14, 14902160), (16, 13039390), (20, 10431512), (23, 9070880), (26, 8024240), (28, 7451080), (32, 6519695), (35, 5960864), (40, 5215756), (46, 4535440), (49, 4257760), (52, 4012120), (56, 3725540), (65, 3209696), (70, 2980432), (80, 2607878), (89, 2344160), (91, 2292640), (92, 2267720), (98, 2128880), (104, 2006060), (112, 1862770), (115, 1814176), (130, 1604848), (140, 1490216), (160, 1303939), (161, 1295840), (178, 1172080), (182, 1146320), (184, 1133860), (196, 1064440), (208, 1003030), (224, 931385), (230, 907088), (245, 851552), (260, 802424), (280, 745108), (299, 697760), (322, 647920), (356, 586040), (364, 573160), (368, 566930), (392, 532220), (416, 501515), (445, 468832), (455, 458528), (460, 453544), (490, 425776), (520, 401212), (560, 372554), (598, 348880), (623, 334880), (637, 327520), (644, 323960), (712, 293020), (728, 286580), (736, 283465), (784, 266110), (805, 259168), (890, 234416), (910, 229264), (920, 226772), (980, 212888), (1040, 200606), (1120, 186277), (1127, 185120), (1157, 180320), (1196, 174440), (1246, 167440), (1274, 163760), (1288, 161980), (1424, 146510), (1456, 143290), (1495, 139552), (1568, 133055), (1610, 129584), (1780, 117208), (1820, 114632), (1840, 113386), (1960, 106444), (2047, 101920), (2080, 100303), (2093, 99680), (2254, 92560), (2314, 90160), (2392, 87220), (2492, 83720), (2548, 81880), (2576, 80990), (2848, 73255), (2912, 71645), (2990, 69776), (3115, 66976), (3185, 65504), (3220, 64792), (3560, 58604), (3640, 57316), (3680, 56693), (3920, 53222), (4094, 50960), (4186, 49840), (4361, 47840), (4508, 46280), (4628, 45080), (4784, 43610), (4984, 41860), (5096, 40940), (5152, 40495), (5635, 37024), (5785, 36064), (5980, 34888), (6230, 33488), (6370, 32752), (6440, 32396), (7120, 29302), (7280, 28658), (7840, 26611), (8099, 25760), (8188, 25480), (8372, 24920), (8722, 23920), (9016, 23140), (9256, 22540), (9568, 21805), (9968, 20930), (10192, 20470), (10235, 20384), (10465, 19936), (11270, 18512), (11570, 18032), (11960, 17444), (12460, 16744), (12740, 16376), (12880, 16198), (14240, 14651), (14329, 14560)]