128566920

素因数分解:

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

素因数の和:188

約数の個数: 256

約数和(自身を含む): 447897600

約数和(自身を除く): 319330680

約数列:

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

約数ペア:

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