80344920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 256608000

約数和(自身を除く): 176263080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 262, 269, 285, 380, 393, 456, 524, 538, 570, 655, 760, 786, 807, 1048, 1076, 1140, 1310, 1345, 1572, 1614, 1965, 2152, 2280, 2489, 2620, 2690, 3144, 3228, 3930, 4035, 4978, 5111, 5240, 5380, 6456, 7467, 7860, 8070, 9956, 10222, 10760, 12445, 14934, 15333, 15720, 16140, 19912, 20444, 24890, 25555, 29868, 30666, 32280, 35239, 37335, 40888, 49780, 51110, 59736, 61332, 70478, 74670, 76665, 99560, 102220, 105717, 122664, 140956, 149340, 153330, 176195, 204440, 211434, 281912, 298680, 306660, 352390, 422868, 528585, 613320, 669541, 704780, 845736, 1057170, 1339082, 1409560, 2008623, 2114340, 2678164, 3347705, 4017246, 4228680, 5356328, 6695410, 8034492, 10043115, 13390820, 16068984, 20086230, 26781640, 40172460, 80344920]

約数ペア:

[(1, 80344920), (2, 40172460), (3, 26781640), (4, 20086230), (5, 16068984), (6, 13390820), (8, 10043115), (10, 8034492), (12, 6695410), (15, 5356328), (19, 4228680), (20, 4017246), (24, 3347705), (30, 2678164), (38, 2114340), (40, 2008623), (57, 1409560), (60, 1339082), (76, 1057170), (95, 845736), (114, 704780), (120, 669541), (131, 613320), (152, 528585), (190, 422868), (228, 352390), (262, 306660), (269, 298680), (285, 281912), (380, 211434), (393, 204440), (456, 176195), (524, 153330), (538, 149340), (570, 140956), (655, 122664), (760, 105717), (786, 102220), (807, 99560), (1048, 76665), (1076, 74670), (1140, 70478), (1310, 61332), (1345, 59736), (1572, 51110), (1614, 49780), (1965, 40888), (2152, 37335), (2280, 35239), (2489, 32280), (2620, 30666), (2690, 29868), (3144, 25555), (3228, 24890), (3930, 20444), (4035, 19912), (4978, 16140), (5111, 15720), (5240, 15333), (5380, 14934), (6456, 12445), (7467, 10760), (7860, 10222), (8070, 9956)]