81464400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 240

約数和(自身を含む): 305982400

約数和(自身を除く): 224518000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 100, 108, 114, 120, 135, 144, 150, 152, 171, 180, 190, 200, 216, 225, 228, 240, 270, 285, 300, 304, 342, 360, 380, 397, 400, 432, 450, 456, 475, 513, 540, 570, 600, 675, 684, 720, 760, 794, 855, 900, 912, 950, 1026, 1080, 1140, 1191, 1200, 1350, 1368, 1425, 1520, 1588, 1710, 1800, 1900, 1985, 2052, 2160, 2280, 2382, 2565, 2700, 2736, 2850, 3176, 3420, 3573, 3600, 3800, 3970, 4104, 4275, 4560, 4764, 5130, 5400, 5700, 5955, 6352, 6840, 7146, 7543, 7600, 7940, 8208, 8550, 9528, 9925, 10260, 10719, 10800, 11400, 11910, 12825, 13680, 14292, 15086, 15880, 17100, 17865, 19056, 19850, 20520, 21438, 22629, 22800, 23820, 25650, 28584, 29775, 30172, 31760, 34200, 35730, 37715, 39700, 41040, 42876, 45258, 47640, 51300, 53595, 57168, 59550, 60344, 67887, 68400, 71460, 75430, 79400, 85752, 89325, 90516, 95280, 102600, 107190, 113145, 119100, 120688, 135774, 142920, 150860, 158800, 171504, 178650, 181032, 188575, 203661, 205200, 214380, 226290, 238200, 267975, 271548, 285840, 301720, 339435, 357300, 362064, 377150, 407322, 428760, 452580, 476400, 535950, 543096, 565725, 603440, 678870, 714600, 754300, 814644, 857520, 905160, 1018305, 1071900, 1086192, 1131450, 1357740, 1429200, 1508600, 1629288, 1697175, 1810320, 2036610, 2143800, 2262900, 2715480, 3017200, 3258576, 3394350, 4073220, 4287600, 4525800, 5091525, 5430960, 6788700, 8146440, 9051600, 10183050, 13577400, 16292880, 20366100, 27154800, 40732200, 81464400]

約数ペア:

[(1, 81464400), (2, 40732200), (3, 27154800), (4, 20366100), (5, 16292880), (6, 13577400), (8, 10183050), (9, 9051600), (10, 8146440), (12, 6788700), (15, 5430960), (16, 5091525), (18, 4525800), (19, 4287600), (20, 4073220), (24, 3394350), (25, 3258576), (27, 3017200), (30, 2715480), (36, 2262900), (38, 2143800), (40, 2036610), (45, 1810320), (48, 1697175), (50, 1629288), (54, 1508600), (57, 1429200), (60, 1357740), (72, 1131450), (75, 1086192), (76, 1071900), (80, 1018305), (90, 905160), (95, 857520), (100, 814644), (108, 754300), (114, 714600), (120, 678870), (135, 603440), (144, 565725), (150, 543096), (152, 535950), (171, 476400), (180, 452580), (190, 428760), (200, 407322), (216, 377150), (225, 362064), (228, 357300), (240, 339435), (270, 301720), (285, 285840), (300, 271548), (304, 267975), (342, 238200), (360, 226290), (380, 214380), (397, 205200), (400, 203661), (432, 188575), (450, 181032), (456, 178650), (475, 171504), (513, 158800), (540, 150860), (570, 142920), (600, 135774), (675, 120688), (684, 119100), (720, 113145), (760, 107190), (794, 102600), (855, 95280), (900, 90516), (912, 89325), (950, 85752), (1026, 79400), (1080, 75430), (1140, 71460), (1191, 68400), (1200, 67887), (1350, 60344), (1368, 59550), (1425, 57168), (1520, 53595), (1588, 51300), (1710, 47640), (1800, 45258), (1900, 42876), (1985, 41040), (2052, 39700), (2160, 37715), (2280, 35730), (2382, 34200), (2565, 31760), (2700, 30172), (2736, 29775), (2850, 28584), (3176, 25650), (3420, 23820), (3573, 22800), (3600, 22629), (3800, 21438), (3970, 20520), (4104, 19850), (4275, 19056), (4560, 17865), (4764, 17100), (5130, 15880), (5400, 15086), (5700, 14292), (5955, 13680), (6352, 12825), (6840, 11910), (7146, 11400), (7543, 10800), (7600, 10719), (7940, 10260), (8208, 9925), (8550, 9528)]