128495280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 414044928

約数和(自身を除く): 285549648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 67, 80, 120, 122, 131, 134, 183, 201, 240, 244, 262, 268, 305, 335, 366, 393, 402, 488, 524, 536, 610, 655, 670, 732, 786, 804, 915, 976, 1005, 1048, 1072, 1220, 1310, 1340, 1464, 1572, 1608, 1830, 1965, 2010, 2096, 2440, 2620, 2680, 2928, 3144, 3216, 3660, 3930, 4020, 4087, 4880, 5240, 5360, 6288, 7320, 7860, 7991, 8040, 8174, 8777, 10480, 12261, 14640, 15720, 15982, 16080, 16348, 17554, 20435, 23973, 24522, 26331, 31440, 31964, 32696, 35108, 39955, 40870, 43885, 47946, 49044, 52662, 61305, 63928, 65392, 70216, 79910, 81740, 87770, 95892, 98088, 105324, 119865, 122610, 127856, 131655, 140432, 159820, 163480, 175540, 191784, 196176, 210648, 239730, 245220, 263310, 319640, 326960, 351080, 383568, 421296, 479460, 490440, 526620, 535397, 639280, 702160, 958920, 980880, 1053240, 1070794, 1606191, 1917840, 2106480, 2141588, 2676985, 3212382, 4283176, 5353970, 6424764, 8030955, 8566352, 10707940, 12849528, 16061910, 21415880, 25699056, 32123820, 42831760, 64247640, 128495280]

約数ペア:

[(1, 128495280), (2, 64247640), (3, 42831760), (4, 32123820), (5, 25699056), (6, 21415880), (8, 16061910), (10, 12849528), (12, 10707940), (15, 8566352), (16, 8030955), (20, 6424764), (24, 5353970), (30, 4283176), (40, 3212382), (48, 2676985), (60, 2141588), (61, 2106480), (67, 1917840), (80, 1606191), (120, 1070794), (122, 1053240), (131, 980880), (134, 958920), (183, 702160), (201, 639280), (240, 535397), (244, 526620), (262, 490440), (268, 479460), (305, 421296), (335, 383568), (366, 351080), (393, 326960), (402, 319640), (488, 263310), (524, 245220), (536, 239730), (610, 210648), (655, 196176), (670, 191784), (732, 175540), (786, 163480), (804, 159820), (915, 140432), (976, 131655), (1005, 127856), (1048, 122610), (1072, 119865), (1220, 105324), (1310, 98088), (1340, 95892), (1464, 87770), (1572, 81740), (1608, 79910), (1830, 70216), (1965, 65392), (2010, 63928), (2096, 61305), (2440, 52662), (2620, 49044), (2680, 47946), (2928, 43885), (3144, 40870), (3216, 39955), (3660, 35108), (3930, 32696), (4020, 31964), (4087, 31440), (4880, 26331), (5240, 24522), (5360, 23973), (6288, 20435), (7320, 17554), (7860, 16348), (7991, 16080), (8040, 15982), (8174, 15720), (8777, 14640), (10480, 12261)]