881661440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 160

約数和(自身を含む): 2333422080

約数和(自身を除く): 1451760640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 131, 160, 176, 220, 239, 256, 262, 320, 352, 440, 478, 512, 524, 640, 655, 704, 880, 956, 1048, 1195, 1280, 1310, 1408, 1441, 1760, 1912, 2096, 2390, 2560, 2620, 2629, 2816, 2882, 3520, 3824, 4192, 4780, 5240, 5258, 5632, 5764, 7040, 7205, 7648, 8384, 9560, 10480, 10516, 11528, 13145, 14080, 14410, 15296, 16768, 19120, 20960, 21032, 23056, 26290, 28160, 28820, 30592, 31309, 33536, 38240, 41920, 42064, 46112, 52580, 57640, 61184, 62618, 67072, 76480, 83840, 84128, 92224, 105160, 115280, 122368, 125236, 152960, 156545, 167680, 168256, 184448, 210320, 230560, 250472, 305920, 313090, 335360, 336512, 344399, 368896, 420640, 461120, 500944, 611840, 626180, 673024, 688798, 737792, 841280, 922240, 1001888, 1252360, 1346048, 1377596, 1682560, 1721995, 1844480, 2003776, 2504720, 2755192, 3365120, 3443990, 3688960, 4007552, 5009440, 5510384, 6730240, 6887980, 8015104, 10018880, 11020768, 13775960, 16030208, 20037760, 22041536, 27551920, 40075520, 44083072, 55103840, 80151040, 88166144, 110207680, 176332288, 220415360, 440830720, 881661440]

約数ペア:

[(1, 881661440), (2, 440830720), (4, 220415360), (5, 176332288), (8, 110207680), (10, 88166144), (11, 80151040), (16, 55103840), (20, 44083072), (22, 40075520), (32, 27551920), (40, 22041536), (44, 20037760), (55, 16030208), (64, 13775960), (80, 11020768), (88, 10018880), (110, 8015104), (128, 6887980), (131, 6730240), (160, 5510384), (176, 5009440), (220, 4007552), (239, 3688960), (256, 3443990), (262, 3365120), (320, 2755192), (352, 2504720), (440, 2003776), (478, 1844480), (512, 1721995), (524, 1682560), (640, 1377596), (655, 1346048), (704, 1252360), (880, 1001888), (956, 922240), (1048, 841280), (1195, 737792), (1280, 688798), (1310, 673024), (1408, 626180), (1441, 611840), (1760, 500944), (1912, 461120), (2096, 420640), (2390, 368896), (2560, 344399), (2620, 336512), (2629, 335360), (2816, 313090), (2882, 305920), (3520, 250472), (3824, 230560), (4192, 210320), (4780, 184448), (5240, 168256), (5258, 167680), (5632, 156545), (5764, 152960), (7040, 125236), (7205, 122368), (7648, 115280), (8384, 105160), (9560, 92224), (10480, 84128), (10516, 83840), (11528, 76480), (13145, 67072), (14080, 62618), (14410, 61184), (15296, 57640), (16768, 52580), (19120, 46112), (20960, 42064), (21032, 41920), (23056, 38240), (26290, 33536), (28160, 31309), (28820, 30592)]