1640292840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:936

約数の個数: 192

約数和(自身を含む): 5587920000

約数和(自身を除く): 3947627160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 397, 414, 460, 499, 552, 690, 794, 828, 920, 998, 1035, 1191, 1380, 1497, 1588, 1656, 1985, 1996, 2070, 2382, 2495, 2760, 2994, 3176, 3573, 3970, 3992, 4140, 4491, 4764, 4990, 5955, 5988, 7146, 7485, 7940, 8280, 8982, 9131, 9528, 9980, 11477, 11910, 11976, 14292, 14970, 15880, 17865, 17964, 18262, 19960, 22455, 22954, 23820, 27393, 28584, 29940, 34431, 35730, 35928, 36524, 44910, 45655, 45908, 47640, 54786, 57385, 59880, 68862, 71460, 73048, 82179, 89820, 91310, 91816, 103293, 109572, 114770, 136965, 137724, 142920, 164358, 172155, 179640, 182620, 198103, 206586, 219144, 229540, 273930, 275448, 328716, 344310, 365240, 396206, 410895, 413172, 459080, 516465, 547860, 594309, 657432, 688620, 792412, 821790, 826344, 990515, 1032930, 1095720, 1188618, 1377240, 1584824, 1643580, 1782927, 1981030, 2065860, 2377236, 2971545, 3287160, 3565854, 3962060, 4131720, 4556369, 4754472, 5943090, 7131708, 7924120, 8914635, 9112738, 11886180, 13669107, 14263416, 17829270, 18225476, 22781845, 23772360, 27338214, 35658540, 36450952, 41007321, 45563690, 54676428, 68345535, 71317080, 82014642, 91127380, 109352856, 136691070, 164029284, 182254760, 205036605, 273382140, 328058568, 410073210, 546764280, 820146420, 1640292840]

約数ペア:

[(1, 1640292840), (2, 820146420), (3, 546764280), (4, 410073210), (5, 328058568), (6, 273382140), (8, 205036605), (9, 182254760), (10, 164029284), (12, 136691070), (15, 109352856), (18, 91127380), (20, 82014642), (23, 71317080), (24, 68345535), (30, 54676428), (36, 45563690), (40, 41007321), (45, 36450952), (46, 35658540), (60, 27338214), (69, 23772360), (72, 22781845), (90, 18225476), (92, 17829270), (115, 14263416), (120, 13669107), (138, 11886180), (180, 9112738), (184, 8914635), (207, 7924120), (230, 7131708), (276, 5943090), (345, 4754472), (360, 4556369), (397, 4131720), (414, 3962060), (460, 3565854), (499, 3287160), (552, 2971545), (690, 2377236), (794, 2065860), (828, 1981030), (920, 1782927), (998, 1643580), (1035, 1584824), (1191, 1377240), (1380, 1188618), (1497, 1095720), (1588, 1032930), (1656, 990515), (1985, 826344), (1996, 821790), (2070, 792412), (2382, 688620), (2495, 657432), (2760, 594309), (2994, 547860), (3176, 516465), (3573, 459080), (3970, 413172), (3992, 410895), (4140, 396206), (4491, 365240), (4764, 344310), (4990, 328716), (5955, 275448), (5988, 273930), (7146, 229540), (7485, 219144), (7940, 206586), (8280, 198103), (8982, 182620), (9131, 179640), (9528, 172155), (9980, 164358), (11477, 142920), (11910, 137724), (11976, 136965), (14292, 114770), (14970, 109572), (15880, 103293), (17865, 91816), (17964, 91310), (18262, 89820), (19960, 82179), (22455, 73048), (22954, 71460), (23820, 68862), (27393, 59880), (28584, 57385), (29940, 54786), (34431, 47640), (35730, 45908), (35928, 45655), (36524, 44910)]