319335280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 160

約数和(自身を含む): 867801600

約数和(自身を除く): 548466320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 71, 76, 80, 88, 95, 110, 142, 152, 176, 190, 209, 220, 269, 284, 304, 355, 380, 418, 440, 538, 568, 710, 760, 781, 836, 880, 1045, 1076, 1136, 1345, 1349, 1420, 1520, 1562, 1672, 2090, 2152, 2690, 2698, 2840, 2959, 3124, 3344, 3905, 4180, 4304, 5111, 5380, 5396, 5680, 5918, 6248, 6745, 7810, 8360, 10222, 10760, 10792, 11836, 12496, 13490, 14795, 14839, 15620, 16720, 19099, 20444, 21520, 21584, 23672, 25555, 26980, 29590, 29678, 31240, 38198, 40888, 47344, 51110, 53960, 56221, 59180, 59356, 62480, 74195, 76396, 81776, 95495, 102220, 107920, 112442, 118360, 118712, 148390, 152792, 190990, 204440, 210089, 224884, 236720, 237424, 281105, 296780, 305584, 362881, 381980, 408880, 420178, 449768, 562210, 593560, 725762, 763960, 840356, 899536, 1050445, 1124420, 1187120, 1451524, 1527920, 1680712, 1814405, 2100890, 2248840, 2903048, 3361424, 3628810, 3991691, 4201780, 4497680, 5806096, 7257620, 7983382, 8403560, 14515240, 15966764, 16807120, 19958455, 29030480, 31933528, 39916910, 63867056, 79833820, 159667640, 319335280]

約数ペア:

[(1, 319335280), (2, 159667640), (4, 79833820), (5, 63867056), (8, 39916910), (10, 31933528), (11, 29030480), (16, 19958455), (19, 16807120), (20, 15966764), (22, 14515240), (38, 8403560), (40, 7983382), (44, 7257620), (55, 5806096), (71, 4497680), (76, 4201780), (80, 3991691), (88, 3628810), (95, 3361424), (110, 2903048), (142, 2248840), (152, 2100890), (176, 1814405), (190, 1680712), (209, 1527920), (220, 1451524), (269, 1187120), (284, 1124420), (304, 1050445), (355, 899536), (380, 840356), (418, 763960), (440, 725762), (538, 593560), (568, 562210), (710, 449768), (760, 420178), (781, 408880), (836, 381980), (880, 362881), (1045, 305584), (1076, 296780), (1136, 281105), (1345, 237424), (1349, 236720), (1420, 224884), (1520, 210089), (1562, 204440), (1672, 190990), (2090, 152792), (2152, 148390), (2690, 118712), (2698, 118360), (2840, 112442), (2959, 107920), (3124, 102220), (3344, 95495), (3905, 81776), (4180, 76396), (4304, 74195), (5111, 62480), (5380, 59356), (5396, 59180), (5680, 56221), (5918, 53960), (6248, 51110), (6745, 47344), (7810, 40888), (8360, 38198), (10222, 31240), (10760, 29678), (10792, 29590), (11836, 26980), (12496, 25555), (13490, 23672), (14795, 21584), (14839, 21520), (15620, 20444), (16720, 19099)]