1918887040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1499

約数の個数: 192

約数和(自身を含む): 5464229760

約数和(自身を除く): 3545342720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 128, 140, 160, 172, 196, 215, 224, 245, 280, 301, 320, 344, 392, 430, 448, 490, 560, 602, 640, 688, 784, 860, 896, 980, 1120, 1204, 1376, 1423, 1505, 1568, 1720, 1960, 2107, 2240, 2408, 2752, 2846, 3010, 3136, 3440, 3920, 4214, 4480, 4816, 5504, 5692, 6020, 6272, 6880, 7115, 7840, 8428, 9632, 9961, 10535, 11384, 12040, 13760, 14230, 15680, 16856, 19264, 19922, 21070, 22768, 24080, 27520, 28460, 31360, 33712, 38528, 39844, 42140, 45536, 48160, 49805, 56920, 61189, 67424, 69727, 79688, 84280, 91072, 96320, 99610, 113840, 122378, 134848, 139454, 159376, 168560, 182144, 192640, 199220, 227680, 244756, 269696, 278908, 305945, 318752, 337120, 348635, 398440, 428323, 455360, 489512, 557816, 611890, 637504, 674240, 697270, 796880, 856646, 910720, 979024, 1115632, 1223780, 1275008, 1348480, 1394540, 1593760, 1713292, 1958048, 2141615, 2231264, 2447560, 2789080, 2998261, 3187520, 3426584, 3916096, 4283230, 4462528, 4895120, 5578160, 5996522, 6375040, 6853168, 7832192, 8566460, 8925056, 9790240, 11156320, 11993044, 13706336, 14991305, 17132920, 19580480, 22312640, 23986088, 27412672, 29982610, 34265840, 39160960, 44625280, 47972176, 54825344, 59965220, 68531680, 95944352, 119930440, 137063360, 191888704, 239860880, 274126720, 383777408, 479721760, 959443520, 1918887040]

約数ペア:

[(1, 1918887040), (2, 959443520), (4, 479721760), (5, 383777408), (7, 274126720), (8, 239860880), (10, 191888704), (14, 137063360), (16, 119930440), (20, 95944352), (28, 68531680), (32, 59965220), (35, 54825344), (40, 47972176), (43, 44625280), (49, 39160960), (56, 34265840), (64, 29982610), (70, 27412672), (80, 23986088), (86, 22312640), (98, 19580480), (112, 17132920), (128, 14991305), (140, 13706336), (160, 11993044), (172, 11156320), (196, 9790240), (215, 8925056), (224, 8566460), (245, 7832192), (280, 6853168), (301, 6375040), (320, 5996522), (344, 5578160), (392, 4895120), (430, 4462528), (448, 4283230), (490, 3916096), (560, 3426584), (602, 3187520), (640, 2998261), (688, 2789080), (784, 2447560), (860, 2231264), (896, 2141615), (980, 1958048), (1120, 1713292), (1204, 1593760), (1376, 1394540), (1423, 1348480), (1505, 1275008), (1568, 1223780), (1720, 1115632), (1960, 979024), (2107, 910720), (2240, 856646), (2408, 796880), (2752, 697270), (2846, 674240), (3010, 637504), (3136, 611890), (3440, 557816), (3920, 489512), (4214, 455360), (4480, 428323), (4816, 398440), (5504, 348635), (5692, 337120), (6020, 318752), (6272, 305945), (6880, 278908), (7115, 269696), (7840, 244756), (8428, 227680), (9632, 199220), (9961, 192640), (10535, 182144), (11384, 168560), (12040, 159376), (13760, 139454), (14230, 134848), (15680, 122378), (16856, 113840), (19264, 99610), (19922, 96320), (21070, 91072), (22768, 84280), (24080, 79688), (27520, 69727), (28460, 67424), (31360, 61189), (33712, 56920), (38528, 49805), (39844, 48160), (42140, 45536)]