81320178720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{33409}}^1$

素因数の和:33899

約数の個数: 192

約数和(自身を含む): 280060260480

約数和(自身を除く): 198740081760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 461, 480, 528, 660, 880, 922, 1056, 1320, 1383, 1760, 1844, 2305, 2640, 2766, 3688, 4610, 5071, 5280, 5532, 6915, 7376, 9220, 10142, 11064, 13830, 14752, 15213, 18440, 20284, 22128, 25355, 27660, 30426, 33409, 36880, 40568, 44256, 50710, 55320, 60852, 66818, 73760, 76065, 81136, 100227, 101420, 110640, 121704, 133636, 152130, 162272, 167045, 200454, 202840, 221280, 243408, 267272, 304260, 334090, 367499, 400908, 405680, 486816, 501135, 534544, 608520, 668180, 734998, 801816, 811360, 1002270, 1069088, 1102497, 1217040, 1336360, 1469996, 1603632, 1837495, 2004540, 2204994, 2434080, 2672720, 2939992, 3207264, 3674990, 4009080, 4409988, 5345440, 5512485, 5879984, 7349980, 8018160, 8819976, 11024970, 11759968, 14699960, 15401549, 16036320, 17639952, 22049940, 29399920, 30803098, 35279904, 44099880, 46204647, 58799840, 61606196, 77007745, 88199760, 92409294, 123212392, 154015490, 169417039, 176399520, 184818588, 231023235, 246424784, 308030980, 338834078, 369637176, 462046470, 492849568, 508251117, 616061960, 677668156, 739274352, 847085195, 924092940, 1016502234, 1232123920, 1355336312, 1478548704, 1694170390, 1848185880, 2033004468, 2464247840, 2541255585, 2710672624, 3388340780, 3696371760, 4066008936, 5082511170, 5421345248, 6776681560, 7392743520, 8132017872, 10165022340, 13553363120, 16264035744, 20330044680, 27106726240, 40660089360, 81320178720]

約数ペア:

[(1, 81320178720), (2, 40660089360), (3, 27106726240), (4, 20330044680), (5, 16264035744), (6, 13553363120), (8, 10165022340), (10, 8132017872), (11, 7392743520), (12, 6776681560), (15, 5421345248), (16, 5082511170), (20, 4066008936), (22, 3696371760), (24, 3388340780), (30, 2710672624), (32, 2541255585), (33, 2464247840), (40, 2033004468), (44, 1848185880), (48, 1694170390), (55, 1478548704), (60, 1355336312), (66, 1232123920), (80, 1016502234), (88, 924092940), (96, 847085195), (110, 739274352), (120, 677668156), (132, 616061960), (160, 508251117), (165, 492849568), (176, 462046470), (220, 369637176), (240, 338834078), (264, 308030980), (330, 246424784), (352, 231023235), (440, 184818588), (461, 176399520), (480, 169417039), (528, 154015490), (660, 123212392), (880, 92409294), (922, 88199760), (1056, 77007745), (1320, 61606196), (1383, 58799840), (1760, 46204647), (1844, 44099880), (2305, 35279904), (2640, 30803098), (2766, 29399920), (3688, 22049940), (4610, 17639952), (5071, 16036320), (5280, 15401549), (5532, 14699960), (6915, 11759968), (7376, 11024970), (9220, 8819976), (10142, 8018160), (11064, 7349980), (13830, 5879984), (14752, 5512485), (15213, 5345440), (18440, 4409988), (20284, 4009080), (22128, 3674990), (25355, 3207264), (27660, 2939992), (30426, 2672720), (33409, 2434080), (36880, 2204994), (40568, 2004540), (44256, 1837495), (50710, 1603632), (55320, 1469996), (60852, 1336360), (66818, 1217040), (73760, 1102497), (76065, 1069088), (81136, 1002270), (100227, 811360), (101420, 801816), (110640, 734998), (121704, 668180), (133636, 608520), (152130, 534544), (162272, 501135), (167045, 486816), (200454, 405680), (202840, 400908), (221280, 367499), (243408, 334090), (267272, 304260)]