28806750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 93450240

約数和(自身を除く): 64643490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 50, 59, 62, 63, 70, 75, 90, 93, 105, 118, 125, 126, 150, 155, 175, 177, 186, 210, 217, 225, 250, 279, 295, 310, 315, 350, 354, 375, 413, 434, 450, 465, 525, 531, 558, 590, 630, 651, 750, 775, 826, 875, 885, 930, 1050, 1062, 1085, 1125, 1239, 1302, 1395, 1475, 1550, 1575, 1750, 1770, 1829, 1953, 2065, 2170, 2250, 2325, 2478, 2625, 2655, 2790, 2950, 3150, 3255, 3658, 3717, 3875, 3906, 4130, 4425, 4650, 5250, 5310, 5425, 5487, 6195, 6510, 6975, 7375, 7434, 7750, 7875, 8850, 9145, 9765, 10325, 10850, 10974, 11625, 12390, 12803, 13275, 13950, 14750, 15750, 16275, 16461, 18290, 18585, 19530, 20650, 22125, 23250, 25606, 26550, 27125, 27435, 30975, 32550, 32922, 34875, 37170, 38409, 44250, 45725, 48825, 51625, 54250, 54870, 61950, 64015, 66375, 69750, 76818, 81375, 82305, 91450, 92925, 97650, 103250, 115227, 128030, 132750, 137175, 154875, 162750, 164610, 185850, 192045, 228625, 230454, 244125, 274350, 309750, 320075, 384090, 411525, 457250, 464625, 488250, 576135, 640150, 685875, 823050, 929250, 960225, 1152270, 1371750, 1600375, 1920450, 2057625, 2880675, 3200750, 4115250, 4801125, 5761350, 9602250, 14403375, 28806750]

約数ペア:

[(1, 28806750), (2, 14403375), (3, 9602250), (5, 5761350), (6, 4801125), (7, 4115250), (9, 3200750), (10, 2880675), (14, 2057625), (15, 1920450), (18, 1600375), (21, 1371750), (25, 1152270), (30, 960225), (31, 929250), (35, 823050), (42, 685875), (45, 640150), (50, 576135), (59, 488250), (62, 464625), (63, 457250), (70, 411525), (75, 384090), (90, 320075), (93, 309750), (105, 274350), (118, 244125), (125, 230454), (126, 228625), (150, 192045), (155, 185850), (175, 164610), (177, 162750), (186, 154875), (210, 137175), (217, 132750), (225, 128030), (250, 115227), (279, 103250), (295, 97650), (310, 92925), (315, 91450), (350, 82305), (354, 81375), (375, 76818), (413, 69750), (434, 66375), (450, 64015), (465, 61950), (525, 54870), (531, 54250), (558, 51625), (590, 48825), (630, 45725), (651, 44250), (750, 38409), (775, 37170), (826, 34875), (875, 32922), (885, 32550), (930, 30975), (1050, 27435), (1062, 27125), (1085, 26550), (1125, 25606), (1239, 23250), (1302, 22125), (1395, 20650), (1475, 19530), (1550, 18585), (1575, 18290), (1750, 16461), (1770, 16275), (1829, 15750), (1953, 14750), (2065, 13950), (2170, 13275), (2250, 12803), (2325, 12390), (2478, 11625), (2625, 10974), (2655, 10850), (2790, 10325), (2950, 9765), (3150, 9145), (3255, 8850), (3658, 7875), (3717, 7750), (3875, 7434), (3906, 7375), (4130, 6975), (4425, 6510), (4650, 6195), (5250, 5487), (5310, 5425)]