28509840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 100172160

約数和(自身を除く): 71662320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 108, 120, 134, 135, 144, 180, 197, 201, 216, 240, 268, 270, 335, 360, 394, 402, 432, 536, 540, 591, 603, 670, 720, 788, 804, 985, 1005, 1072, 1080, 1182, 1206, 1340, 1576, 1608, 1773, 1809, 1970, 2010, 2160, 2364, 2412, 2680, 2955, 3015, 3152, 3216, 3546, 3618, 3940, 4020, 4728, 4824, 5319, 5360, 5910, 6030, 7092, 7236, 7880, 8040, 8865, 9045, 9456, 9648, 10638, 11820, 12060, 13199, 14184, 14472, 15760, 16080, 17730, 18090, 21276, 23640, 24120, 26398, 26595, 28368, 28944, 35460, 36180, 39597, 42552, 47280, 48240, 52796, 53190, 65995, 70920, 72360, 79194, 85104, 105592, 106380, 118791, 131990, 141840, 144720, 158388, 197985, 211184, 212760, 237582, 263980, 316776, 356373, 395970, 425520, 475164, 527960, 593955, 633552, 712746, 791940, 950328, 1055920, 1187910, 1425492, 1583880, 1781865, 1900656, 2375820, 2850984, 3167760, 3563730, 4751640, 5701968, 7127460, 9503280, 14254920, 28509840]

約数ペア:

[(1, 28509840), (2, 14254920), (3, 9503280), (4, 7127460), (5, 5701968), (6, 4751640), (8, 3563730), (9, 3167760), (10, 2850984), (12, 2375820), (15, 1900656), (16, 1781865), (18, 1583880), (20, 1425492), (24, 1187910), (27, 1055920), (30, 950328), (36, 791940), (40, 712746), (45, 633552), (48, 593955), (54, 527960), (60, 475164), (67, 425520), (72, 395970), (80, 356373), (90, 316776), (108, 263980), (120, 237582), (134, 212760), (135, 211184), (144, 197985), (180, 158388), (197, 144720), (201, 141840), (216, 131990), (240, 118791), (268, 106380), (270, 105592), (335, 85104), (360, 79194), (394, 72360), (402, 70920), (432, 65995), (536, 53190), (540, 52796), (591, 48240), (603, 47280), (670, 42552), (720, 39597), (788, 36180), (804, 35460), (985, 28944), (1005, 28368), (1072, 26595), (1080, 26398), (1182, 24120), (1206, 23640), (1340, 21276), (1576, 18090), (1608, 17730), (1773, 16080), (1809, 15760), (1970, 14472), (2010, 14184), (2160, 13199), (2364, 12060), (2412, 11820), (2680, 10638), (2955, 9648), (3015, 9456), (3152, 9045), (3216, 8865), (3546, 8040), (3618, 7880), (3940, 7236), (4020, 7092), (4728, 6030), (4824, 5910), (5319, 5360)]