816100920

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 256

約数和(自身を含む): 2904768000

約数和(自身を除く): 2088667080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 243, 270, 285, 324, 342, 360, 380, 405, 456, 486, 491, 513, 540, 570, 648, 684, 729, 760, 810, 855, 972, 982, 1026, 1080, 1140, 1215, 1368, 1458, 1473, 1539, 1620, 1710, 1944, 1964, 2052, 2187, 2280, 2430, 2455, 2565, 2916, 2946, 3078, 3240, 3420, 3645, 3928, 4104, 4374, 4419, 4617, 4860, 4910, 5130, 5832, 5892, 6156, 6840, 7290, 7365, 7695, 8748, 8838, 9234, 9329, 9720, 9820, 10260, 10935, 11784, 12312, 13257, 13851, 14580, 14730, 15390, 17496, 17676, 18468, 18658, 19640, 20520, 21870, 22095, 23085, 26514, 27702, 27987, 29160, 29460, 30780, 35352, 36936, 37316, 39771, 41553, 43740, 44190, 46170, 46645, 53028, 55404, 55974, 58920, 61560, 66285, 69255, 74632, 79542, 83106, 83961, 87480, 88380, 92340, 93290, 106056, 110808, 111948, 119313, 132570, 138510, 139935, 159084, 166212, 167922, 176760, 184680, 186580, 198855, 207765, 223896, 238626, 251883, 265140, 277020, 279870, 318168, 332424, 335844, 357939, 373160, 397710, 415530, 419805, 477252, 503766, 530280, 554040, 559740, 596565, 671688, 715878, 755649, 795420, 831060, 839610, 954504, 1007532, 1073817, 1119480, 1193130, 1259415, 1431756, 1511298, 1590840, 1662120, 1679220, 1789695, 2015064, 2147634, 2266947, 2386260, 2518830, 2863512, 3022596, 3358440, 3579390, 3778245, 4295268, 4533894, 4772520, 5037660, 5369085, 6045192, 6800841, 7158780, 7556490, 8590536, 9067788, 10075320, 10738170, 11334735, 13601682, 14317560, 15112980, 18135576, 20402523, 21476340, 22669470, 27203364, 30225960, 34004205, 40805046, 42952680, 45338940, 54406728, 68008410, 81610092, 90677880, 102012615, 136016820, 163220184, 204025230, 272033640, 408050460, 816100920]

約数ペア:

[(1, 816100920), (2, 408050460), (3, 272033640), (4, 204025230), (5, 163220184), (6, 136016820), (8, 102012615), (9, 90677880), (10, 81610092), (12, 68008410), (15, 54406728), (18, 45338940), (19, 42952680), (20, 40805046), (24, 34004205), (27, 30225960), (30, 27203364), (36, 22669470), (38, 21476340), (40, 20402523), (45, 18135576), (54, 15112980), (57, 14317560), (60, 13601682), (72, 11334735), (76, 10738170), (81, 10075320), (90, 9067788), (95, 8590536), (108, 7556490), (114, 7158780), (120, 6800841), (135, 6045192), (152, 5369085), (162, 5037660), (171, 4772520), (180, 4533894), (190, 4295268), (216, 3778245), (228, 3579390), (243, 3358440), (270, 3022596), (285, 2863512), (324, 2518830), (342, 2386260), (360, 2266947), (380, 2147634), (405, 2015064), (456, 1789695), (486, 1679220), (491, 1662120), (513, 1590840), (540, 1511298), (570, 1431756), (648, 1259415), (684, 1193130), (729, 1119480), (760, 1073817), (810, 1007532), (855, 954504), (972, 839610), (982, 831060), (1026, 795420), (1080, 755649), (1140, 715878), (1215, 671688), (1368, 596565), (1458, 559740), (1473, 554040), (1539, 530280), (1620, 503766), (1710, 477252), (1944, 419805), (1964, 415530), (2052, 397710), (2187, 373160), (2280, 357939), (2430, 335844), (2455, 332424), (2565, 318168), (2916, 279870), (2946, 277020), (3078, 265140), (3240, 251883), (3420, 238626), (3645, 223896), (3928, 207765), (4104, 198855), (4374, 186580), (4419, 184680), (4617, 176760), (4860, 167922), (4910, 166212), (5130, 159084), (5832, 139935), (5892, 138510), (6156, 132570), (6840, 119313), (7290, 111948), (7365, 110808), (7695, 106056), (8748, 93290), (8838, 92340), (9234, 88380), (9329, 87480), (9720, 83961), (9820, 83106), (10260, 79542), (10935, 74632), (11784, 69255), (12312, 66285), (13257, 61560), (13851, 58920), (14580, 55974), (14730, 55404), (15390, 53028), (17496, 46645), (17676, 46170), (18468, 44190), (18658, 43740), (19640, 41553), (20520, 39771), (21870, 37316), (22095, 36936), (23085, 35352), (26514, 30780), (27702, 29460), (27987, 29160)]