257133840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 320

約数和(自身を含む): 925655040

約数和(自身を除く): 668521200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 31, 34, 38, 40, 48, 51, 57, 60, 62, 68, 76, 80, 85, 93, 95, 102, 107, 114, 120, 124, 136, 152, 155, 170, 186, 190, 204, 214, 228, 240, 248, 255, 272, 285, 304, 310, 321, 323, 340, 372, 380, 408, 428, 456, 465, 496, 510, 527, 535, 570, 589, 620, 642, 646, 680, 744, 760, 816, 856, 912, 930, 969, 1020, 1054, 1070, 1140, 1178, 1240, 1284, 1292, 1360, 1488, 1520, 1581, 1605, 1615, 1712, 1767, 1819, 1860, 1938, 2033, 2040, 2108, 2140, 2280, 2356, 2480, 2568, 2584, 2635, 2945, 3162, 3210, 3230, 3317, 3534, 3638, 3720, 3876, 4066, 4080, 4216, 4280, 4560, 4712, 4845, 5136, 5168, 5270, 5457, 5890, 6099, 6324, 6420, 6460, 6634, 7068, 7276, 7440, 7752, 7905, 8132, 8432, 8560, 8835, 9095, 9424, 9690, 9951, 10013, 10165, 10540, 10914, 11780, 12198, 12648, 12840, 12920, 13268, 14136, 14552, 15504, 15810, 16264, 16585, 17670, 18190, 19380, 19902, 20026, 20330, 21080, 21828, 23560, 24396, 25296, 25680, 25840, 26536, 27285, 28272, 29104, 30039, 30495, 31620, 32528, 33170, 34561, 35340, 36380, 38760, 39804, 40052, 40660, 42160, 43656, 47120, 48792, 49755, 50065, 53072, 54570, 56389, 60078, 60990, 63023, 63240, 66340, 69122, 70680, 72760, 77520, 79608, 80104, 81320, 87312, 97584, 99510, 100130, 103683, 109140, 112778, 120156, 121980, 126046, 126480, 132680, 138244, 141360, 145520, 150195, 159216, 160208, 162640, 169167, 172805, 189069, 199020, 200260, 207366, 218280, 225556, 240312, 243960, 252092, 265360, 276488, 281945, 300390, 315115, 338334, 345610, 378138, 398040, 400520, 414732, 436560, 451112, 480624, 487920, 504184, 518415, 552976, 563890, 600780, 630230, 676668, 691220, 756276, 796080, 801040, 829464, 845835, 902224, 945345, 1008368, 1036830, 1071391, 1127780, 1201560, 1260460, 1353336, 1382440, 1512552, 1658928, 1691670, 1890690, 2073660, 2142782, 2255560, 2403120, 2520920, 2706672, 2764880, 3025104, 3214173, 3383340, 3781380, 4147320, 4285564, 4511120, 5041840, 5356955, 6428346, 6766680, 7562760, 8294640, 8571128, 10713910, 12856692, 13533360, 15125520, 16070865, 17142256, 21427820, 25713384, 32141730, 42855640, 51426768, 64283460, 85711280, 128566920, 257133840]

約数ペア:

[(1, 257133840), (2, 128566920), (3, 85711280), (4, 64283460), (5, 51426768), (6, 42855640), (8, 32141730), (10, 25713384), (12, 21427820), (15, 17142256), (16, 16070865), (17, 15125520), (19, 13533360), (20, 12856692), (24, 10713910), (30, 8571128), (31, 8294640), (34, 7562760), (38, 6766680), (40, 6428346), (48, 5356955), (51, 5041840), (57, 4511120), (60, 4285564), (62, 4147320), (68, 3781380), (76, 3383340), (80, 3214173), (85, 3025104), (93, 2764880), (95, 2706672), (102, 2520920), (107, 2403120), (114, 2255560), (120, 2142782), (124, 2073660), (136, 1890690), (152, 1691670), (155, 1658928), (170, 1512552), (186, 1382440), (190, 1353336), (204, 1260460), (214, 1201560), (228, 1127780), (240, 1071391), (248, 1036830), (255, 1008368), (272, 945345), (285, 902224), (304, 845835), (310, 829464), (321, 801040), (323, 796080), (340, 756276), (372, 691220), (380, 676668), (408, 630230), (428, 600780), (456, 563890), (465, 552976), (496, 518415), (510, 504184), (527, 487920), (535, 480624), (570, 451112), (589, 436560), (620, 414732), (642, 400520), (646, 398040), (680, 378138), (744, 345610), (760, 338334), (816, 315115), (856, 300390), (912, 281945), (930, 276488), (969, 265360), (1020, 252092), (1054, 243960), (1070, 240312), (1140, 225556), (1178, 218280), (1240, 207366), (1284, 200260), (1292, 199020), (1360, 189069), (1488, 172805), (1520, 169167), (1581, 162640), (1605, 160208), (1615, 159216), (1712, 150195), (1767, 145520), (1819, 141360), (1860, 138244), (1938, 132680), (2033, 126480), (2040, 126046), (2108, 121980), (2140, 120156), (2280, 112778), (2356, 109140), (2480, 103683), (2568, 100130), (2584, 99510), (2635, 97584), (2945, 87312), (3162, 81320), (3210, 80104), (3230, 79608), (3317, 77520), (3534, 72760), (3638, 70680), (3720, 69122), (3876, 66340), (4066, 63240), (4080, 63023), (4216, 60990), (4280, 60078), (4560, 56389), (4712, 54570), (4845, 53072), (5136, 50065), (5168, 49755), (5270, 48792), (5457, 47120), (5890, 43656), (6099, 42160), (6324, 40660), (6420, 40052), (6460, 39804), (6634, 38760), (7068, 36380), (7276, 35340), (7440, 34561), (7752, 33170), (7905, 32528), (8132, 31620), (8432, 30495), (8560, 30039), (8835, 29104), (9095, 28272), (9424, 27285), (9690, 26536), (9951, 25840), (10013, 25680), (10165, 25296), (10540, 24396), (10914, 23560), (11780, 21828), (12198, 21080), (12648, 20330), (12840, 20026), (12920, 19902), (13268, 19380), (14136, 18190), (14552, 17670), (15504, 16585), (15810, 16264)]