28437480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 97748640

約数和(自身を除く): 69311160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 81, 90, 108, 120, 131, 134, 135, 162, 180, 201, 216, 262, 268, 270, 324, 335, 360, 393, 402, 405, 524, 536, 540, 603, 648, 655, 670, 786, 804, 810, 1005, 1048, 1080, 1179, 1206, 1310, 1340, 1572, 1608, 1620, 1809, 1965, 2010, 2358, 2412, 2620, 2680, 3015, 3144, 3240, 3537, 3618, 3930, 4020, 4716, 4824, 5240, 5427, 5895, 6030, 7074, 7236, 7860, 8040, 8777, 9045, 9432, 10611, 10854, 11790, 12060, 14148, 14472, 15720, 17554, 17685, 18090, 21222, 21708, 23580, 24120, 26331, 27135, 28296, 35108, 35370, 36180, 42444, 43416, 43885, 47160, 52662, 53055, 54270, 70216, 70740, 72360, 78993, 84888, 87770, 105324, 106110, 108540, 131655, 141480, 157986, 175540, 210648, 212220, 217080, 236979, 263310, 315972, 351080, 394965, 424440, 473958, 526620, 631944, 710937, 789930, 947916, 1053240, 1184895, 1421874, 1579860, 1895832, 2369790, 2843748, 3159720, 3554685, 4739580, 5687496, 7109370, 9479160, 14218740, 28437480]

約数ペア:

[(1, 28437480), (2, 14218740), (3, 9479160), (4, 7109370), (5, 5687496), (6, 4739580), (8, 3554685), (9, 3159720), (10, 2843748), (12, 2369790), (15, 1895832), (18, 1579860), (20, 1421874), (24, 1184895), (27, 1053240), (30, 947916), (36, 789930), (40, 710937), (45, 631944), (54, 526620), (60, 473958), (67, 424440), (72, 394965), (81, 351080), (90, 315972), (108, 263310), (120, 236979), (131, 217080), (134, 212220), (135, 210648), (162, 175540), (180, 157986), (201, 141480), (216, 131655), (262, 108540), (268, 106110), (270, 105324), (324, 87770), (335, 84888), (360, 78993), (393, 72360), (402, 70740), (405, 70216), (524, 54270), (536, 53055), (540, 52662), (603, 47160), (648, 43885), (655, 43416), (670, 42444), (786, 36180), (804, 35370), (810, 35108), (1005, 28296), (1048, 27135), (1080, 26331), (1179, 24120), (1206, 23580), (1310, 21708), (1340, 21222), (1572, 18090), (1608, 17685), (1620, 17554), (1809, 15720), (1965, 14472), (2010, 14148), (2358, 12060), (2412, 11790), (2620, 10854), (2680, 10611), (3015, 9432), (3144, 9045), (3240, 8777), (3537, 8040), (3618, 7860), (3930, 7236), (4020, 7074), (4716, 6030), (4824, 5895), (5240, 5427)]