19501680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 47994000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 83, 88, 89, 110, 120, 132, 165, 166, 176, 178, 220, 240, 249, 264, 267, 330, 332, 356, 415, 440, 445, 498, 528, 534, 660, 664, 712, 830, 880, 890, 913, 979, 996, 1068, 1245, 1320, 1328, 1335, 1424, 1660, 1780, 1826, 1958, 1992, 2136, 2490, 2640, 2670, 2739, 2937, 3320, 3560, 3652, 3916, 3984, 4272, 4565, 4895, 4980, 5340, 5478, 5874, 6640, 7120, 7304, 7387, 7832, 9130, 9790, 9960, 10680, 10956, 11748, 13695, 14608, 14685, 14774, 15664, 18260, 19580, 19920, 21360, 21912, 22161, 23496, 27390, 29370, 29548, 36520, 36935, 39160, 43824, 44322, 46992, 54780, 58740, 59096, 73040, 73870, 78320, 81257, 88644, 109560, 110805, 117480, 118192, 147740, 162514, 177288, 219120, 221610, 234960, 243771, 295480, 325028, 354576, 406285, 443220, 487542, 590960, 650056, 812570, 886440, 975084, 1218855, 1300112, 1625140, 1772880, 1950168, 2437710, 3250280, 3900336, 4875420, 6500560, 9750840, 19501680]

約数ペア:

[(1, 19501680), (2, 9750840), (3, 6500560), (4, 4875420), (5, 3900336), (6, 3250280), (8, 2437710), (10, 1950168), (11, 1772880), (12, 1625140), (15, 1300112), (16, 1218855), (20, 975084), (22, 886440), (24, 812570), (30, 650056), (33, 590960), (40, 487542), (44, 443220), (48, 406285), (55, 354576), (60, 325028), (66, 295480), (80, 243771), (83, 234960), (88, 221610), (89, 219120), (110, 177288), (120, 162514), (132, 147740), (165, 118192), (166, 117480), (176, 110805), (178, 109560), (220, 88644), (240, 81257), (249, 78320), (264, 73870), (267, 73040), (330, 59096), (332, 58740), (356, 54780), (415, 46992), (440, 44322), (445, 43824), (498, 39160), (528, 36935), (534, 36520), (660, 29548), (664, 29370), (712, 27390), (830, 23496), (880, 22161), (890, 21912), (913, 21360), (979, 19920), (996, 19580), (1068, 18260), (1245, 15664), (1320, 14774), (1328, 14685), (1335, 14608), (1424, 13695), (1660, 11748), (1780, 10956), (1826, 10680), (1958, 9960), (1992, 9790), (2136, 9130), (2490, 7832), (2640, 7387), (2670, 7304), (2739, 7120), (2937, 6640), (3320, 5874), (3560, 5478), (3652, 5340), (3916, 4980), (3984, 4895), (4272, 4565)]