491381280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26249}}^1$

素因数の和:26283

約数の個数: 144

約数和(自身を含む): 1805895000

約数和(自身を除く): 1314513720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 26249, 52498, 78747, 104996, 131245, 157494, 209992, 236241, 262490, 314988, 341237, 393735, 419984, 472482, 524980, 629976, 682474, 787470, 839968, 944964, 1023711, 1049960, 1181205, 1259952, 1364948, 1574940, 1706185, 1889928, 2047422, 2099920, 2362410, 2519904, 2729896, 3071133, 3149880, 3412370, 3779856, 4094844, 4199840, 4724820, 5118555, 5459792, 6142266, 6299760, 6824740, 7559712, 8189688, 9449640, 10237110, 10919584, 12284532, 12599520, 13649480, 15355665, 16379376, 18899280, 20474220, 24569064, 27298960, 30711330, 32758752, 37798560, 40948440, 49138128, 54597920, 61422660, 81896880, 98276256, 122845320, 163793760, 245690640, 491381280]

約数ペア:

[(1, 491381280), (2, 245690640), (3, 163793760), (4, 122845320), (5, 98276256), (6, 81896880), (8, 61422660), (9, 54597920), (10, 49138128), (12, 40948440), (13, 37798560), (15, 32758752), (16, 30711330), (18, 27298960), (20, 24569064), (24, 20474220), (26, 18899280), (30, 16379376), (32, 15355665), (36, 13649480), (39, 12599520), (40, 12284532), (45, 10919584), (48, 10237110), (52, 9449640), (60, 8189688), (65, 7559712), (72, 6824740), (78, 6299760), (80, 6142266), (90, 5459792), (96, 5118555), (104, 4724820), (117, 4199840), (120, 4094844), (130, 3779856), (144, 3412370), (156, 3149880), (160, 3071133), (180, 2729896), (195, 2519904), (208, 2362410), (234, 2099920), (240, 2047422), (260, 1889928), (288, 1706185), (312, 1574940), (360, 1364948), (390, 1259952), (416, 1181205), (468, 1049960), (480, 1023711), (520, 944964), (585, 839968), (624, 787470), (720, 682474), (780, 629976), (936, 524980), (1040, 472482), (1170, 419984), (1248, 393735), (1440, 341237), (1560, 314988), (1872, 262490), (2080, 236241), (2340, 209992), (3120, 157494), (3744, 131245), (4680, 104996), (6240, 78747), (9360, 52498), (18720, 26249)]